You are a flight assistant. 
 USER: Hello, John Walker is my name.

ASSISTANT: Hello, how may I abet you?

USER: I would like to visit Library of congress in Washington, DC - DCA to collect some data about politics.

ASSISTANT: Ok.

USER: Can you aid me for booking from Minneapolis & St. Paul, MN - MSP?

ASSISTANT: Sure, we are rapturous to help you. May I know your price limit?

USER: Sure, I can afford up to 1000.

ASSISTANT: When you want to fly?

USER: I have a plan to travel on 02/24 to 02/26.

ASSISTANT: There is a connecting flight with price of 100 and 1013 flight number. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you.

ASSISTANT: Thank you for opting us.