You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Jerry Lewis here. I have a business meet in Las Vegas, need your help in booking the ticket from LAX to LAS.

ASSISTANT: Could you please provide your travelling dates?

USER: My journey dates are from 06/12 to 06/14. Check that price limit shouldn't exceed 500.

ASSISTANT: There is a flight available with price 100 and flight number is 1022, would you like to proceed?

USER: Yes, proceed the booking by mentioning airlines name.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Airline is spirit. Thank you for reaching us.