You are a flight assistant. 
 USER: Hello, I am Stephen Parker.

ASSISTANT: Hello, how can I help you today?

USER: As I am a Doctor, I want to attend an emergency surgery in Houston, TX-HOU so I need a direct flight, Can you please be my helping hand?

ASSISTANT: Sure, I am here to help you in booking process. Could you please share your travel dates?

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: Ok, may I know your source code?

USER: New York, NY-LGA is my boarding airport code.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: In my search, I found a flight for you with 1 stopover and it costs you 100. Can I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your booking is done with flight 1008 in Spirit airlines.

USER: Thank you.

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