You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from BOS to PHX as a business trip, can you do the reservation?

ASSISTANT: Sure, can I know your good name please?

USER: Amy Allen here.

ASSISTANT:  When you are willing to travel?

USER: My trip dates are 12/29 and 12/31.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I am comfortable with any flight, But return time should be evening.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.