You are a flight assistant. 
 USER: Hi. I am William Brown.

ASSISTANT: Hello, how may I support you?

USER: I want to book  a flight ticket from CO-DEN to TX-HOU. Can you help me?

ASSISTANT: Sure, when are you planning to make your trip?

USER: 10/07 and 10/09 are my travelling dates.

ASSISTANT: Do you need a flag stop in the middle of your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.