You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your assistance?

USER: I would like to return from Los Angeles after finishing my research on 04/10. Can you help me book a flight ticket from Philadelphia on 04/08?

ASSISTANT: Sure, we are mirthful to help you today. Kindly share your connection preference.

USER: I need a flight with single connection.

ASSISTANT: Please let me know your boarding and landing points to proceed further.

USER: My source is PHL and destination is LAX.

ASSISTANT: Is there any budget limit?

USER: Yes, The flight ticket should cost within the price of 500.

ASSISTANT: Just a moment, I will check the availability of flights.

USER: OK.

ASSISTANT: Thanks for waiting, we found a Delta airline matching your details with single connection and the flight number-1022.

USER: You can proceed with this booking.

ASSISTANT: Your ticket has been processed successfully with the connecting flight.

USER: Thank you for helping me.

ASSISTANT: Thanks for reaching us. May I know your name please for documentation purpose?

USER: Amy Baker is my name.

ASSISTANT: Thank you.