This is because from the first glance as a doctor he understood that tricki is going to be in a much worse condition.Mrs Pumphrey took over care for tricki and was sure to mess up his health.Thus Herriot waited for Pumphrey 's call to help tricki out of this.

Introduction:
James Herriot, the renowned British veterinarian, receives a call from Mrs. Pumphrey, one of his clients, in the famous book "All Creatures Great and Small." This call is significant and holds several reasons why he decides to accept it. Let's delve into the details of why James Herriot accepts a call from Mrs. Pumphrey.

Committed Professional:
As a dedicated and responsible veterinarian, James Herriot believes in providing the best care possible to all animals. This commitment to his profession is one of the primary reasons he accepts Mrs. Pumphrey's call. Herriot understands that his expertise is needed to ensure the well-being of any animal that requires his assistance.

Existing Client Relationship:
James Herriot has an established relationship with Mrs. Pumphrey as her trusted veterinarian. Over time, he has treated and cared for her numerous pets. This existing bond and familiarity with Mrs. Pumphrey and her animals make it natural for him to accept her call. Furthermore, maintaining positive relationships with clients is essential for any professional, and Herriot values this aspect greatly.

Concern for Mrs. Pumphrey's Pet:
Knowing Mrs. Pumphrey's love and devotion towards her pets, James Herriot understands the level of care and attention she provides. Therefore, when Mrs. Pumphrey contacts him, he assumes that it must be a matter of utmost importance and concern for her beloved animal. Herriot's compassionate nature compels him to accept the call, as he genuinely cares about the well-being of all animals under his care.

Opportunity to Help:
As a skilled veterinarian, James Herriot views every call as an opportunity to apply his knowledge and expertise in resolving animal health issues. Accepting Mrs. Pumphrey's call provides him with a chance to make a difference and alleviate any suffering or discomfort the pet might be experiencing. Herriot finds great satisfaction in being able to help animals and improve their quality of life.

Promoting Trust and Reputation:
By accepting Mrs. Pumphrey's call, James Herriot demonstrates his reliability and dedication to his profession. This contributes to building trust and a positive reputation for him as a veterinarian. Word of mouth is a powerful tool, and by consistently providing excellent care to his clients' animals, Herriot strengthens his standing in the community.

Conclusion:
James Herriot's decision to accept a call from Mrs. Pumphrey is motivated by his commitment as a professional, his existing relationship with the client, his concern for the pet's well-being, the opportunity to help, and the promotion of trust and reputation. These factors collectively make it evident why he willingly and eagerly accepts Mrs. Pumphrey's call.