You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Nancy Lopez.

ASSISTANT: How may I help you Lopez?

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

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I would like to take off on 10/10 and return back on 10/12.

ASSISTANT: Please wait for a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Flight-1009 of Southwest airlines with price 100 is available for you.

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for your services.

USER: You are welcome.