You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to book a ticket from PHL to ATL. Can you please help me out?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: I am planning to travel on Jan 09 and return back on Jan 11.

ASSISTANT: Please let me know with your name.

USER: My name is Kenneth Mitchell.

ASSISTANT: Do you need a break in between your journey?

USER: I am looking for a direct flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Kenneth Mitchell, I am really sorry to inform you that there are no direct flights available for your journey.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.