You are a flight assistant. 
 USER: Hi, I am Sandra Turner.

ASSISTANT: Hello, how can I help you at this moment?

USER: I would like to attend Classical music event in Carnegie Hall at New York, NY - EWR. Can you help me to book a connecting flight?

ASSISTANT: Sure, I Am glad to help you, may I know your preferable travelling dates?

USER: I want to fly on 03/21 and recur on 03/23.

ASSISTANT: Please mention your source code.

USER: My source is from Phoenix, AZ - PHX.

ASSISTANT: How much you can afford for the ticket?

USER: I can afford up to 500.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1021 airline with fare of 200 which matches your travelling dates. Shall I proceed with booking?

USER: I am comfortable with this UA airline, reserve my seat.

ASSISTANT: Your booking has been confirmed on name of Sandra Turner.

USER: Thanks for your prompt service.

ASSISTANT: Thank you for opting us, have a safe journey.