You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I guide you for today?

USER: As I am a Doctor, I want to attend an emergency surgery in Las Vegas, NV - LAS. Can you please be my helping hand?

ASSISTANT: Sure, can you please provide your nearest source airport codes?

USER: My nearest source is from New York, NY - LGA.

ASSISTANT: Can you please share your take off and return dates?

USER: I want to travel on 11/02, and need to catch return flight on 11/04.

ASSISTANT: Please give me a minute, I look for the best airlines on this route.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Stephen Thompson.

ASSISTANT: I found a flight with flight number 1001 with price 100 and connection limit is 1, would you like me to proceed with the booking?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Your booking is confirmed with Southwest airlines.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.