You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I'm Stephanie Carter here. I want to travel from DC-IAD to attend a conference meeting with my friends at Phoenix.

ASSISTANT: Ok, could you please provide your preferable travel dates?

USER: My preferable dates are from 09/09 to 09/11.

ASSISTANT: Can you please help me with the destination airport code?

USER: Sure, my destination airport is AZ-PHX.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Stephanie, there is a flight available with JetBlue airline and the price 200. Shall I proceed to book a flight ticket?

USER: Please proceed with this flight.

ASSISTANT: Your booking is confirmed with 1024 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our service, have a great day.