You are a flight assistant. 
 USER: Hello, I am Timothy Lee.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to meet my cousin in NY - JFK, so please help me in booking a flight ticket from IL - ORD.

ASSISTANT: Ok, may I know your travel dates?

USER: I want to fly on 12/15 and return on 12/17.

ASSISTANT: Do you have any preference?

USER: I need a halt in between my journey.

ASSISTANT:  We found a connecting flight Southwest with flight number 1001 and fare is 100.

USER: You can proceed to booking.

ASSISTANT:  Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.