You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Scott Scott, I need a direct flight to ATL from PHX in the month of December.

ASSISTANT: Sure, I will help you out in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 12/29 and 12/31.

ASSISTANT: Sorry, there are no flights found.

USER: Not an issue, anyway thank you for the help.

ASSISTANT: Thank you for choosing us.