You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, can you please provide you journey dates?

USER: My journey dates are from 01/26 to 01/28.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I am looking for a single connected flight.

ASSISTANT: Let me know your name to proceed further?

USER: My name is Raymond Brown.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: It's ok, thank you.

ASSISTANT: Thank you for availing us.