You are a flight assistant. 
 USER: Hello, I am Laura Thomas.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking a flight ticket to Philadelphia, PHL as I am planning to meet my childhood friends after long time?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to start my journey on 09/02. I intend to return on 09/04.

ASSISTANT: Could you please share me your source airport code?

USER: My nearest airport is Los Angeles, LAX.So, I want to board from here.

ASSISTANT: Do you need any halt in between the journey?

USER: No, I am comfortable with any flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform that, there is no flights found on your route.

USER: It's ok, no problem. Thank you for your response.

ASSISTANT: Thanks for reaching us.