You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Rachel Evans.

ASSISTANT: May I know how can I assist you?

USER: I want to visit a historical place in Philadelphia. Can you book a ticket from ORD to PHL?

ASSISTANT: Ok, sure can you please tell me your trip dates?

USER: The departure is on 11/04 and return is on 11/06. The connection limit is 1.

ASSISTANT: Here is a flight with price 100 and airlines UA.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked with 1022 number and 1 connection limit. Thank you for reaching us.

USER: Thank you for helping me out.