You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Cynthia Robinson. I want to book a flight ticket from CA - OAK to NY - LGA to meet my children, please help me in booking a flight ticket.

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please mention your journey dates?

USER: My trip dates are from 08/21 to 08/23.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a stopover in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we did not find any flights matching your requested journey dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us, have a great day.