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 can I serve you? 
 customer: I am George Brown, I want to book a flight ticket to IAD to meet my childhood friend from DCA. 
 agent: Ok. 
 customer: Can you help me for booking? 
 agent: Sure. May I know your trip dates? 
 __ 
 agent: Please, wait. 
 customer: Sure. 
 agent: There is a flight with airline: Frontier, flight number:1021, price 200, 1 connection. Shall I proceed? 
 customer: Ok, you can proceed for booking. 
 agent: Your ticket has been confirmed. 
 customer: Thanks for your assistance. 
 agent: Thank you.
Solution:
customer: My trip dates are 05/16 to 05/18.