You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend a food festival can you please help me out in booking flight ticket?

ASSISTANT: Ok. For booking a flight ticket I need your travel dates and airport codes so, please mention here?

USER: 09/10 to 09/12 are the dates am planning to travel and my airport codes are from PA-PHL to GA-ATL.

ASSISTANT: Sorry to inform you, no flights are available on your locations. May I know your name?

USER: I am Benjamin Campbell.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your information.