You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How may I help you?

USER: Please book a ticket from Seattle, WA-SEA to Chicago, IL-ORD.

ASSISTANT: Sure, help me with the trip dates?

USER: Travelling dates are from 03/03 to 03/05.

ASSISTANT: May I know your name please?

USER: I am Brian Campbell.

ASSISTANT: We found a flight in an airline Delta with 1010 number having a single connection price of 200. Shall I reserve?

USER: Please book a flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks.

ASSISTANT: Thank you for reaching us.