You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Janet Hall. I have a business in Chicago. Can you help me for booking?

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

USER: My travelling dates are from 12/13 till 12/15.

ASSISTANT: Ok, may I know your airport codes please?

USER: My travelling airport codes are from SFO to ORD.

ASSISTANT: Ok, hold on for a moment. I found a flight for you with JetBlue airline and it costs you 100.

USER: Ok, please proceed for booking.

ASSISTANT: Shall I proceed? Your ticket has been booked with 1001 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome.