You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking my flight ticket from LGA to PHL?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are June 03-05.

ASSISTANT: Do you have any specifications?

USER: I prefer to fly in connecting flight.

ASSISTANT: Can I know your name, please?

USER: I am William White.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found based on your given details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.