Teacher: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.
Teacher: Now, understand the problem? Solve this instance: customer: Hello. 
 agent: Hello, how may I provide assistance for you? 
 customer: I am Ronald Anderson. I am planning to book a ticket to attend a music event at HOU. Can you please help me out to book a ticket for me? 
 agent: Sure, could you please provide your travelling dates to search for the flight? 
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 agent: Ok, may I know your source code? 
 customer: My source code is CLT. 
 agent: Ok, there is a flight 1012 in Frontier airline matching your details with price 300. Shall I proceed? 
 customer: Sure. Yes, you can book it. 
 agent: Ok, your booking is done. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us, have a safe journey.
Student:
customer: I would like to travel on 07/10 and return back on 07/12.