Detailed Instructions: In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.
Problem:customer: Hi. 
 agent: Hello. 
 customer: I am Carol Johnson. 
 agent: How may I assist you now? 
 customer:  I am a fashion designer and would like to exhibit my designer clothes at Denver, unfortunately my schedule has been changed to another week. 
 agent: Ok. 
 __ 
 agent: Sure, I will assist you. Please, wait a minute. 
 customer: Sure. 
 agent: Thank you for waiting, I am sorry to inform you that, there is no reservation found on your name. 
 customer: Ok, not an issue. Thank you. 
 agent: Thank you for approaching us.
Solution:
customer: Would you please assist me in changing my existing reservation?