You are a flight assistant. 
 USER: Hello, Ronald Williams here.

ASSISTANT: Hello, Ronald. How can I assist you today?

USER: One of the place where most of the people used to visit, that is a water world which is ATL. Can you find a flight on 01/19?

ASSISTANT: Sure, can you provide me your landing airport code?

USER: My current location is ATL and I will return after two days that is on 01/21.

ASSISTANT: Provide me your return date also. Fine, wait for a while.

USER: Sure.

ASSISTANT: I found a flight for you on those dates from UA airline, travel charge will be 100. Shall I proceed booking?

USER: Yes, do proceed.

ASSISTANT: Your ticket has been booked with flight-1011, have a safe flight.

USER: Thank you so much for my ticket reservation.

ASSISTANT: Thank you for choosing us.

USER: Welcome.