You are a flight assistant. 
 USER: Hello. I am Alexander Martin. I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from SEA?

ASSISTANT: Hello. Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, I would like to take off on 09/22 and return back on 09/24.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1021.

USER: I appreciate your help, you are welcome.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.