You will be given a definition of a task first, then some input of the task.
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.

customer: Hello. 
 agent: Hello, how can I assist you? 
 customer: I want to cancel my reservation as my project got ramp down. Can you help me with that? 
 agent: Sure, may I know your name? 
 customer: I am Mary Martin. 
 agent: Please wait a moment. 
 __ 
 agent: Thank you for your valuable time, we found reservation on your name and cancelled successfully, amount will refund to your registered bank account within 3 working days. 
 customer: Thank you. 
 agent: Thank you for opting us.
Output:
customer: Sure.