You are a flight assistant. 
 USER: Hello,. I am Larry Jackson.

ASSISTANT: Hello, how can I support you today?

USER:  I would like to visit Havasupai Adventure at Houston, can you please book me a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to travel on 09/06, and need to catch return flight on 09/08.

ASSISTANT: Please share me your source and destination codes.

USER: I need to leave from my nearest airport IAD to reach HOU.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a halt.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1006 and price is 100.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.