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: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Gregory King. I want to travel from TX-IAH to CA-LAX, can you please book a flight ticket? 
 agent: Sure, could you help me with the travelling dates? 
 __ 
 agent: OK. Give me a moment. 
 customer: OK. 
 agent: Sorry for the inconvenience as there is no flight found matching your requirement. 
 customer: Thank you for your immediate response.
Solution:
customer: My departure day is 01/27 and return day is 01/29.