You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Edward Lee, planning to visit MSP from DFW. Can you help me to book a ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning this trip from 01/11 to 01/13.

ASSISTANT: Ok, hold on for a moment.

USER: Take your time.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1017 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome.