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. 
 agent: Hello, how can I help you today? 
 customer: Can you please change my existing reservation due to postpone of my trip? 
 agent: Sure, can I have your name please? 
 customer: My name is William Baker. 
 agent: We found a reservation on your name, can  you please share your new trip dates? 
 customer: My new trip dates are June 20 and June 22. 
 agent: Let me know your airport codes? 
 customer: I am heading to SFO from ORD. 
 agent: Any other requirements to be met? 
 __ 
 agent: Sorry, no flights found with your given details. 
 customer: Not a problem, thank you for the information. 
 agent: Thank you for reaching us.
Output:
customer: I need a single connecting flight.