You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Jonathan Walker. I want to book a flight ticket from JFK to OAK. Could you help me in booking?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My planned travelling dates are from Nov 24-26.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Please mention your depart and return flight timing?

USER: My depart time should be in the evening.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey data.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.