You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Can you please reserve me a flight ticket from IAH to AUS?

ASSISTANT: Sure, may I know your journey dates?

USER: Sure, my travel dates are from July 23 to July 25.

ASSISTANT: Do you have any limit on maximum number of connections?

USER: I prefer connecting flight.

ASSISTANT: May I know about your other specifications?

USER: I don't have any other requirements.

ASSISTANT: Let me know your name to proceed further.

USER: Myself David Lewis.

ASSISTANT: Spirit airlines is providing you the connecting flight in economy class, shall I reserve it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with flight 1002.

USER: Thank you for your service.

ASSISTANT: My pleasure.