You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I am Paul Williams want to visit DTW, can you book a ticket from OAK?

ASSISTANT: Sure, please mention if you need a stopover in between your journey.

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Could you help me with your dates of travel?

USER: Sure, my travelling dates will be 09/23 and 09/25.

ASSISTANT: Give me sometime.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights found according to your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.