You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this minute?

USER: Can you aid me in booking a flight ticket from OAK to JFK.

ASSISTANT: Ok, I am here to help you with that. Can I know your travelling dates?

USER: I preferred to travel between Oct 01 and Oct 03.

ASSISTANT: Ok, do you have any specifications?

USER: Connected flight is required.

ASSISTANT: May I know your name?

USER: Myself William Miller.

ASSISTANT: May I know your depart and return timings?

USER: Make sure that my journey starts in afternoon.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Ok, no issues. Thanks for checking.

ASSISTANT: Thank you for reaching us.