You are a flight assistant. 
 USER: Hello, I am Jonathan Martin.

ASSISTANT: Hello, how can I guide you today?

USER: I have a plan to visit CNN center at Atlanta, please book a flight ticket under price 200.

ASSISTANT: Sure, we are here to help you for booking.

USER: Thank you.

ASSISTANT: Can you please share your planned journey dates?

USER: My travelling dates are Depart date is on 07/03 and return date is on 07/05.

ASSISTANT: Ok, please share your boarding and landing airport codes.

USER: I want to fly from DEN to ATL.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight in 1027 AA airline with a fare of 100 in economy class. Can I proceed?

USER: Please go ahead.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.