You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving a flight from DFW to reach ATL?

ASSISTANT: Sure,  can you please share your travel dates?

USER: Thank you, my travelling dates are Feb 20th and Feb 22nd.

ASSISTANT: Do you have any other requirements?

USER: I prefer a single connecting flight.

ASSISTANT: Ok, please share your name.

USER: I am Mary Perez.

ASSISTANT: UA airlines is providing you a flight with a ticket fare 100, shall I proceed with booking?

USER: Ok, please reserve it.

ASSISTANT: Your ticket has been confirmed with the flight-1000.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.