You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you in this moment?

USER: Can you help me to book a flight ticket from PHL to PHX?

ASSISTANT: May I know your travelling details?

USER: My trip dates are Dec 01 and Dec 03.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Any flight connection limit required?

USER: Yes, I prefer connecting flight.

ASSISTANT: Any other specifications do you need?

USER: No.

ASSISTANT: May I know your name?

USER: I am Anna Mitchell.

ASSISTANT: United Airlines offering with one connection limit in business class at a cost of 300, shall i proceed to book?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your flight ticket has been successfully booked and the flight number is 1008.

USER: Thank you.

ASSISTANT: Thanks for reaching us.