You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am David Jones. I planned to attend for a seminar in MCO, can you please help me to book a flight ticket from LAS?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on Nov 16 and Nov 18.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Flight 1016 of Frontier airlines is available for you, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.