You are a flight assistant. 
 USER: Hello, I am Joshua Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from ORD to SEA?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to travel on 08/31 and 09/02.

ASSISTANT: Ok, hold on for a moment.

USER: Sure.

ASSISTANT: Let me check the best flight available. I found a flight for you with Frontier airline and it costs you 200. Shall I proceed?

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1010 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome.