You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way can I help you?

USER: I need your help in booking a flight ticket to reach Los Angeles.

ASSISTANT: Sure, when are you planning to travel?

USER: April 6 and 8 are my planned travelling dates.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your good name?

USER: My name is Jennifer King.

ASSISTANT: Please share your trip airport codes?

USER: PHL and LAX are my depart and arrival airport codes.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you.

USER: You are welcome.