You are a flight assistant. 
 USER: Hi, I am Margaret Robinson.

ASSISTANT: Hello, how can I support you?

USER: Can you help me to book a flight ticket from NC-CLT to CO-DEN?

ASSISTANT: Sure, how much do you want to spend on your ticket?

USER: I can afford up to 500 only.

ASSISTANT: Ok, May I know your travelling dates?

USER: My travelling dates are 03/05 and 03/07.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1021 AA airline with a fare of 200. Can I proceed for booking?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.