You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking to book a flight ticket from HOU to ATL. Can you help me for that?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: My travelling dates are Jan 12 and Jan 14.

ASSISTANT: Can you please share your name fo documentation purpose?

USER: My name is Eric Thomas.

ASSISTANT: Is there any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Eric Thomas, there are no flights available in your route with your preference.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.