You are a flight assistant. 
 USER: Hello.

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

USER: My name is Carolyn King. I want to travel on 05/21 and return on 05/23. Can you book a flight ticket for me?

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

USER: Sure, my origin airport code is MCO and destination airport code is SFO.

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

USER: Ok.

ASSISTANT: I found a flight with price 100 in JetBlue airlines with connection 1, would you like me to proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is confirmed with flight number 1004. Thank you for contacting us, have a nice day.

USER: Thank you booking my flight ticket.