You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you out?

USER: I am Helen Jackson. I need a direct flight to attend a surgery in Houston, IAH. Can you please make a reservation for me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My journey dates are, start on 09/16 and return back on 09/18.

ASSISTANT: May I know your origin airport code?

USER: It's a round trip.

ASSISTANT: Here is a flight matching your travel details and airfare is 200, can I proceed with it?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked with 1006 flight in Spirit airlines.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.