You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: I am George Baker. I wish to go for woodland brewery tour at Houston, HOU. Can you please book a ticket on 01/30?

ASSISTANT: Sure, may I know your source airport code?

USER: Origin code is Dallas, DFW.

ASSISTANT: Please let me know your return date.

USER: Return is on 02/01.

ASSISTANT: Is there any connection limit?

USER: I need connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there are no connecting flights found with your essential details.

USER: No problem.

ASSISTANT: Thanks for availing us.

USER: Thank you.