You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book me a flight ticket from LAX to PHL to meet my family.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I have planned to travel on Oct 03rd and return on Oct 05th.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to return at evening time.

ASSISTANT: Your good name please.

USER: Myself Paul Mitchell.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.