You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Jeffrey Harris, can you help me to book a flight from PHL to ATL?

ASSISTANT: Sure, I am here to help you. May I know your itinerary dates?

USER: My travelling dates are 03/24 and 03/26.

ASSISTANT: Do you have any specifications?

USER: I need direct flight from my origin.

ASSISTANT: Sorry Jeffrey Harris, no flights are available on your route.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for contacting us.