You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Carter.

ASSISTANT: How can I assist you today?

USER: I am planning to meet my childhood friend who is staying at IAD. Can you help me with booking a connecting flight?

ASSISTANT: Sure, I can help you with that. May I know your source airport code please?

USER: Thank you. My source airport code is AUS.

ASSISTANT: Can you please provide your planned travel dates?

USER: My travel dates are Mar 16 and Mar 18.

ASSISTANT: Ok, may I know your class preference please?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I can afford up to 200 only.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: JetBlue airlines is providing a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Please go with booking.

ASSISTANT: I have successfully booked your ticket with flight-1006, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.