You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment.

USER: John Martinez here. I want to attend a Marriage in Minneapolis. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please provide us your source and destination airport codes.

USER: My airport codes are LGA and MSP.

ASSISTANT: May I know when are you willing to travel?

USER: My travelling dates are 02/20 and 02/22.

ASSISTANT: Do you prefer either economy or business class?

USER: It's not an issue.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: I want to departure on morning.

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: We have a flight which departs in the morning at 6 AM and it is a business class seat with price 100. Shall I proceed with the booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been confirmed in American airlines, number 1010.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.