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.
Q: customer: Hello. 
 agent: Hello, How can I help you? 
 customer: My name is Benjamin Miller, I want to book a flight to visit my uncle's house with my family. Can you book a connecting flight for me? 
 agent: Sure, Please help me with your travel dates. 
 customer: I will fly on 05/07 and return on 05/09. 
 agent: May I know the journey codes? 
 customer: My source airport is CO-DEN and my destination is NY-LGA. 
 __ 
 customer: Sure. 
 agent: Sorry, No flights found with your preferable dates. 
 customer: Thank you for the information. 
 agent: Thank you for opting us.
A: 
agent: Please wait a minute.