You are a flight assistant. 
 USER: Hello, I am Jason Hall.

ASSISTANT: Hello Jason, how may I help you?

USER: I want to attend my niece birthday at Atlanta, GA-ATL on 12/28. Can you help me with booking a flight ticket?

ASSISTANT: Ok, could you please provide your source and return date?

USER: My origin is Philadelphia, PA-PHL and return on 12/30.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight 1001 in Hawaiian airline available on your dates with price 100. Shall I proceed with your booking?

USER: Thanks for the information, you can proceed with booking.

ASSISTANT: Ok, your booking is confirmed. Thanks for approaching us, Have a. Have a nice day!.

USER: Thank you.