You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Evans.

ASSISTANT: How can I help you?

USER: Could you please book a flight ticket to New York, JFK from Phoenix, PHX?

ASSISTANT: Sure, May I know the travel dates?

USER: My travel dates are 09/27 and 09/29.

ASSISTANT: Do you prefer any class?

USER: I am comfortable with any class.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a connecting flight from Southwest airline. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been booked with the flight number 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.