You are a flight assistant. 
 USER: Hello, I am Eric Evans.

ASSISTANT: Hello, how may I assist you?

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

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

USER: I am planning to start on 06/05 and return back on 06/07.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that price limit is 500.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 200.

USER: Please book it.

ASSISTANT: Shall I proceed? Your ticket has been booked with 1017 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.