You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Charles Wright, I would like to visit Los Angeles to find the best places  for my movie shooting. Can you please  help me in booking a ticket to LAX?

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding point is Philadelphia, PHL.

ASSISTANT: May I know your journey dates?

USER: 04/17 and 04/19 are my travelling dates.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need connecting flight.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: It's ok. Thank you.

ASSISTANT: Thank you for opting us.