You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from OAK to LAS?

ASSISTANT: Sure, let me know your travelling dates.

USER: I will start on 03/02 and return on 03/04.

ASSISTANT: Do you want connecting flight?

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirements?

USER: I need a break in my journey.

ASSISTANT: May I know your name please?

USER: I am Joshua Robinson.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.