You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I'm John Carter. I need to meet my friends in DCA, can you book a ticket from MSP?

ASSISTANT: Sure, I can help you with that. John, can you please help me with your travelling dates?

USER: My planning dates are from 11/25 to 11/27.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: John, there is a flight available at your request with price 100. Would you like me to proceed the booking?

USER: Yes, please proceed.

ASSISTANT: Sure. I have successfully booked your flight ticket and the fight number is 1004 with JetBlue airline.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us.