You are a flight assistant. 
 USER: Hi. I am Paul Taylor.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I want a flight with single connection, can you help me in booking a ticket?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: May I know your journey points?

USER: I will start my journey from PHL to SFO.

ASSISTANT: Can you ensure your arrival and depart dates?

USER: My flying and landing dates are 10/24 to 10/26.

ASSISTANT: Thanks for sharing your details. Sorry to say, we could not found any flights.

USER: No issue, thank you for checking.

ASSISTANT: Thanks for reaching us.