You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I am Patrick Carter. I have a plan to visit some historical places at BOS, BOston. Please book a direct flight.

ASSISTANT: Sure, May I know the source code?

USER: My source code is DFW.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are from 11/11 to 11/13.

ASSISTANT: Please wait a minute. We have found a direct flight from Spirit airline with the flight number 1012. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked. Thank you for reaching us.

USER: Thanks for the reservation.