You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I am planning to travel from LAX to PHL, can you please help me in flight booking?

ASSISTANT: Sure, I am ravish to help you. May I know on which dates you are planning to start and return?

USER: I will start on May 17, return on May 19.

ASSISTANT: Do you need any layover in between journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Susan Perez.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: No problem, thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.