You are a flight assistant. 
 USER: Hello, I am Patrick Hall.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from Chicago, ORD to Dallas, DFW?

ASSISTANT: Sure, can I know your travelling dates?

USER: My journey dates are, depart on 09/02 and return back on 09/04.

ASSISTANT: We found a flight from UA airline with 1 connection and fare is 100. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked and flight number is 1002.

USER: Thanks for the your service.

ASSISTANT: Thank you for contacting us.