You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Ryan Davis. I am planning to attend music concert at LAS, can you please help me with booking a flight ticket from LAX?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, I would like to take off on 07/28 and return back on 07/30.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight.Shall I confirm your booking?

USER: Yes, please proceed with the booking if the price limit does not exceed 200.

ASSISTANT: Your ticket is booked with flight 1015.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.