You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please help me in booking a flight ticket from Los Angeles, LAX to reach Philadelphia, PHL?

ASSISTANT: Sure, May I know the journey dates?

USER: My journey dates are from Feb 09 to Feb 11.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between journey.

ASSISTANT: Is there any other requirements?

USER: No, thanks for asking.

ASSISTANT: Please help me with your name.

USER: My name is Stephen Campbell.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.