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.

customer: Hello, Sharon Thompson here. 
 agent: Hello, how may I help you? 
 customer: I am planning to shoot a documentary to the famous places in Oakland, CA - OAK. Can you aid me for booking with a direct flight? 
 agent: Sure, can I have your trip dates? 
 customer: My trip dates are on 09/22 to 09/24. 
 agent: Help me with the source code? 
 customer: My source is Washington, DC - DCA. 
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 customer: That's Ok, thanks for your information. 
 agent: Thank you for your approach.
agent: Sorry, we do not found any flights running in your given dates.