You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: My name is Robert Collins. I would like to book a flight ticket.

ASSISTANT: Sure, we are here to help you. Can I know your journey details?

USER: I want to book a ticket from Seattle,WA-SEA to Orlando,Fl-MCO.

ASSISTANT: OK, Can you provide the travelling dates please?

USER: Departure Dec/15, Return Dec/17.

ASSISTANT: OK, please give me a moment, I will check the availability and get back to you.

USER: OK.

ASSISTANT: Thanks for being patient, we found a flight matching your requirements. The flight details are as follows, Flight number : 1015, Airline : Frontier and the price is 200. Should I proceed with the booking?

USER: Sure, You can proceed it.

ASSISTANT: OK. Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a nice day.