You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Raymond Allen here. I have to go Denver for my film shooting purpose, can you please book a flight ticket from ORD to DEN?

ASSISTANT: Sure Allen, can I know the travel dates please?

USER: My itinerary dates are 11/25 and 11/27.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a flight in Southwest airline with price 200, can I book it?

USER: Please reserve my ticket.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us.