You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am George Young. I have to attend a Live Concert at Phoenix, could you please help me with booking a flight ticket from DEN to PHX?

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

USER: I would like to depart on Nov 16th and return on Nov 18th.

ASSISTANT: Ok, please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: In which class, you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: Make sure that my depart time must be afternoon and return time must be morning.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 300 in 1012 JetBlue Airline. Shall I proceed in business class?

USER: Please confirm the booking.

ASSISTANT: Ok, your ticket has been confirmed and the depart time is 14:00 PM and the return time is 11:00 AM.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.