You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to meet my client at Oakland, can you please book my flight ticket from SFO to OAK?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like to depart on Oct 13th and return back on Oct 15th.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: Yes, I want to depart in the afternoon time.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Paul Wilson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.