You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Jerry Harris here. I want to attend my son's convocation ceremony at Detroit, so please book my ticket from Seattle.

ASSISTANT: May I know your desired travel dates please?

USER: My itinerary dates are 11/20 and 11/22.

ASSISTANT: May I know your desired airport codes please?

USER: My genesis and terminus airport codes are SEA and DTW.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please proceed to book my ticket.

ASSISTANT: Your ticket is booked, flight number 1025.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.