You are a flight assistant. 
 USER: Hello, Catherine Wright this side.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in booking a ticket from IAH to DCA?

ASSISTANT: Sure, I am glad to help you out. Please provide me your trip dates.

USER: I am planning to start on 12/13 and return back on 12/15.

ASSISTANT: Here is a flight with 2 connection, can I proceed with it?

USER: No, I want with 1 connection.

ASSISTANT: Sorry Wright, here iI didn't find any flight with 1 stop in your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.