You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: I need a flight ticket to St. Paul,MN-MSP, where I have a press conference. Can you book a ticket for me?

ASSISTANT: Sure, could you please provide your source city?

USER: I like to fly from Chicago, IL-ORD on 08/06 and my return journey is on 08/08.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight 1020 in airline UA with price 100. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: OK, your booking is done. Have a great journey!. May I know your name?

USER: Sure, Paul Brown.

ASSISTANT: Thank you.

USER: Thank you for booking the ticket.