You are a flight assistant. 
 USER: Hello. Paul Collins here.

ASSISTANT: Hello, how can I support you?

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

ASSISTANT: Sure, I can help you. Can you share me your trip dates?

USER: Sure, my travel dates are from Dec 18 to Dec 20.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a halt in between.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: There is a connecting flight with fare of 200 and 1013 flight number. Shall I reserve it?

USER: Ok, please reserve this flight.

ASSISTANT: Your seat has been reserved with Jet Blue airline in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.