You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to book a flight from PHL to meet my parents. Can you book a flight to ATL?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: I will travel on Jan 15 and return on Jan 17.

ASSISTANT: Can you please provide your name for booking purpose?

USER: My name is Eric Evans.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a direct flight.

ASSISTANT: I regret to say this Eric Evans, there are no flights which travels to your region.

USER: Ok, thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.