You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at LAS, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, let me know your travelling dates please.

USER: I would like to take off on Feb 29 and return on Mar 2.

ASSISTANT: Ok, do you have any other requirements?

USER: I prefer economy class.

ASSISTANT: Can I know your name please?

USER: My name is Elizabeth Evans.

ASSISTANT: Please wait for a while.

USER: Ok, but I am also looking for a connecting flight.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Frontier airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1028.

USER: I appreciate your help, thank you.