You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I am planning to travel on June 12 and return back on June 14.

ASSISTANT: Ok, may I know your name?

USER: My name is Donna Wilson.

ASSISTANT: Let me know your connection limit.

USER: I am looking for a direct flight.

ASSISTANT: Do you have any specification?

USER: I am looking for a direct flight.

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

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

ASSISTANT: Thank you for reaching us, have a nice day.