You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Betty Martinez. For my college function, I want to visit ORD. Can you book my tickets from LAS? Can you help me out?

ASSISTANT: Sure Betty. What is your travel date?

USER: My preferable dates are 02/26 to 02/28.

ASSISTANT: There is this international passenger flight, Spirit Airlines with one connection. Is it ok to book this flight?

USER: Yes, you can proceed the booking.

ASSISTANT: Sure. The flight reservation has been done with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our airlines.

USER: Welcome.