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.
Input: customer: Hello, Jerry Smith is my name. 
 agent: Hello, how may I help you? 
 customer: Having the NHL Stanley Cup Playoffs at San Francisco, SFO. I would like to book a ticket. Could you help me in booking a flight ticket on 12/02? 
 agent: Sure, may I know your return date? 
 customer: 12/04 is my return date. 
 agent: Kindly provide your source code. 
 customer: Source code: Las Vegas, LAS. 
 agent: Unfortunately there is no flight found matching with your requirements. 
 __ 
 agent: Thank you for reaching us.
Output:
customer: Ok, no problem. Thank you for your quick response.