You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Charles Robinson, I want to book a flight on Oct 10th to visit Oakland Zoo with my friends. Can you book a connecting flight for me?

ASSISTANT: Sure, let me your planned journey dates?

USER: I will travel on Oct 10th and return on Oct 12th.

ASSISTANT: Please share your airport codes?

USER: My source point is DTW and my destination is OAK.

ASSISTANT: May I know your depart and arrival timings?

USER: I want my depart flight in evening.

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

USER: No.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.