You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you for your response, I want to take off on Nov 21 and book my return ticket also on Nov 23.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I want a direct flight.

ASSISTANT: May I know your name for the documentation purpose?

USER: Sure, my name is Brandon Brown.

ASSISTANT: Do you have any another requirements on your journey?

USER: No.

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

USER: Oh! It's ok no problem.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thank you for your information.