You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight from LGA to MSP?

ASSISTANT: Sure, when are you willing to travel?

USER: My planned dates are on Jan 31st to Feb 2nd.

ASSISTANT: May I know your good name please?

USER: My name is Mark Jones.

ASSISTANT: Do you have any preferences?

USER: I prefer a direct flight.

ASSISTANT: We found an airline: United, flight number: 1009 and price is 200 with direct connection.

USER: Ok, please proceed.

ASSISTANT: Shall I proceed to book?

USER: Sure.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.