You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Smith.

ASSISTANT: How can I help you?

USER: I am planning to visit Atlanta, can you please book me a ticket from DEN to ATL airports?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable journey dates are from 05/28 to 05/30.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: UA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1001, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.