You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Sandra Clark. I want a book a flight from ORD to MSP to attend seminar, can you help me in booking?

ASSISTANT: Sure, please provide me your travel dates.

USER: I am departing on 12/25 and return on 12/27.

ASSISTANT: I found a single connection flight with price 200 and airline Frontier, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight-1005.

USER: Thank you for your help.

ASSISTANT: My pleasure.