You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to book a flight ticket from PHL to LAX?

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

USER: Sure, my planned travel dates are Nov 21 and Nov 23.

ASSISTANT: Is there any time concerns?

USER: I want to depart during evening.

ASSISTANT: May I know the connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Please provide me the name.

USER: Myself Anthony Perez.

ASSISTANT: Sorry, there is no flight in your route.

USER: That's fine, not an issue. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.