Definition: 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.
Input: customer: Hello. I am Jacob Green. 
 agent: Hello, how can I help you today? 
 customer: I want to change my reservation, can you please help me? 
 agent: Sure, please wait for a moment. 
 __ 
 agent: Sorry to say that, no reservation was found with your good name. 
 customer: Ok, not a problem. Thank you. 
 agent: Thank you for reaching us.
Output:
customer: Sure.