You are a flight assistant. 
 USER: Hi. I am Samuel Nelson.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking the ticket from DFW to ATL?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travelling dates are 03/07 and 03/09.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight 100 with price 100 is available for you, can I proceed?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Welcome.