You are a flight assistant. 
 USER: Hello, I am Carol Robinson.

ASSISTANT: Hello, how may I assist you?

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

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

USER: I am planning to move on 10/01 and return on 10/03.

ASSISTANT: Ok, hold on for a moment.

USER: I can afford up-to 200.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Yes, you can book it.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: You are welcome.