You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me in booking my flight ticket from LAX to HOU?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My preferable journey dates are Feb 24 and Feb 26.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other requirements to be met?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: My name is Gary Thomas.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok, not an issue.

ASSISTANT: That's ok, thank you.

USER: Thank you for providing information.