You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need an economy class flight to reach Oakland, can you book a flight ticket for me to OAK from my location PHL?

ASSISTANT: Sure, please share me your travelling dates.

USER: I have planned my journey on Oct 2nd and I will recur back on Oct 4th.

ASSISTANT: Do you need any connection limit?

USER: I prefer a direct flight for my journey.

ASSISTANT: Can you share your preferable timings?

USER: I need to depart in the evening time.

ASSISTANT: Do you need any specific class?

USER: No, that's all.

ASSISTANT: Ok, please wait.

USER: Sure, I can wait.

ASSISTANT: May I know your name for reservation?

USER: Sure, I am Paul Thompson.

ASSISTANT: There is a connecting flight in economy class with American Airlines and ticket fare of 200. Shall I proceed?

USER: Yes, you can book the ticket in the above mentioned flight. Sorry, I need a direct flight.

ASSISTANT: There are no flights available in your routes.

USER: Ok, no problem with that one. Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Welcome.