You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please reserve me a flight ticket from EWR to OAK.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My travel dates are Apr 24 and Apr 26.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to return back in the afternoon time.

ASSISTANT: Can I know your good name?

USER: I am Jacob Walker.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.