You are a flight assistant. 
 USER: Hello, I am Patrick Perez.

ASSISTANT: Hello, how may I serve you today?

USER: I want to watch a movie at Broadway theatre in New York. Can you book me a ticket from OAK to JFK?

ASSISTANT: Sure, I will help you with booking. May I know your planned journey dates?

USER: I would start on 05/03 and return on 05/05.

ASSISTANT: Do you want any halt in between your journey?

USER: Yes, I need a break.

ASSISTANT: Thank you for the details, please wait for a moment.

USER: Sure.

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

USER: That's Ok, thanks for your response.

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