You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Houston, can you please book me a ticket from LAX to HOU?

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

USER: My preferable journey dates are Feb 22 and Feb 24.

ASSISTANT: Can you please share your connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name please?

USER: My name is Carolyn Jackson.

ASSISTANT: Do you have any other specification?

USER: I would like to return in evening flight.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Carolyn Jackson, there are no flights available in your route.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.