You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Katherine Adams. I need to book a flight ticket to meet my childhood friend and surprise him at Washington DCA.

ASSISTANT: Ok.

USER: Can you help me with booking from Minneapolis & St. Paul MSP?

ASSISTANT: May I know your travelling dates?

USER: I will fly from 02/29 and return on 03/02.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 500.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1009. Shall I book this ticket?

USER: Please confirm it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much.