You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from DEN to ATL, can you help me?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travel dates are 05/28 and 05/30.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Flight 1002 is available for you, shall I proceed?

USER: You can book the ticket in the name of Dorothy Gonzalez.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome.