You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Can you please help me in booking a flight ticket to OAK from EWR?

ASSISTANT: Sure, do you need any stop over in between the journey?

USER: I need a stop over in between my journey.

ASSISTANT: Ok, please share your class preference.

USER: I am comfortable with any of the class.

ASSISTANT: May I know your travelling dates?

USER: Sure, my travelling dates are June 10 and June 12.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Dennis Young.

ASSISTANT: There are no flights found on your requested dates.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.