You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Shirley Allen. I want to book a direct flight ticket to attend an emergency case.Can you help me?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: Sure. 10/14 and 10/16 are my travelling dates.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: ATL and DEN are my airport codes.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Flight 1009 in Spirit airlines is available for you with 1 stopover and it costs you 200. Can I book it?

USER: You can reserve it.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing our service to fly, have a safe journey.