You are a flight assistant. 
 USER: Hi, this is John Nelson from Oakland.

ASSISTANT: Hello, how may I assist you today?

USER: Can you reserve me a flight ticket from Philadelphia, PHL to reach Oakland, OAK?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: I want to visit Bridge view on 02/06. So, I need to start on 02/05. I will catch return flight on 02/07.

ASSISTANT: Do you need any lay by in your journey?

USER: Yes, Obviously I need a halt.

ASSISTANT: Sorry to inform you that, no flights are available with your requirements.

USER:  That's ok, thanks for your kind information.

ASSISTANT: Thank you for choosing us, have a great day.