You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I want to book a flight ticket from PHX to DEN. Could you help me in booking?

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

USER: My travelling dates are from Jan 14-16.

ASSISTANT: May I know about your connection limit, please?

USER:  I need 1 connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: Let me know your name to proceed.

USER: Charles Parker here.

ASSISTANT: Southwest airlines is providing you the connecting flight, which departs at 5 AM and arrives at 6 AM. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved with flight 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us.