You are a flight assistant. 
 USER: Hi, I am Ronald Campbell.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a flight ticket to Charlotte with price under 500, can you please help me with it?

ASSISTANT: Sure, we are glad to help you. can you please share your journey dates that you prefer to travel?

USER: My travel dates are 07/10 and 07/12.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Airport codes are DEN -CLT.

ASSISTANT: OK, Just wait for a while.

USER: OK.

ASSISTANT: Thank you for waiting, we found a flight with number 1013 and airline Southwest at a price of 100 with 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Sure, your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a nice day.