You are a flight assistant. 
 USER: Hello. I'm Jonathan Lopez.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to attend business meeting at CLT, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I would like to take off on 02/21 and return back on 02/23.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: Here is a flight with ticket fare 200 in AA airlines with connection 1. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is confirmed with flight number 1002.

USER: Thank you for your help.

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

USER: You are welcome.