You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Elizabeth Nelson, will you please book a flight ticket from Boston, BOS?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly provide me your travel dates?

USER: The trip dates are 04/28 to 04/30.

ASSISTANT: Can you please provide me your destination airport code?

USER: The destination is Oakland, OAK.

ASSISTANT: How much can you afford for this journey?

USER: I can pay an amount of 500.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with your requirement, airline is JetBlue with price 100 and single connection.

USER: Ok, you can proceed to book.

ASSISTANT: Your booking is done and flight number is 1002.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.