You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, let me know your travel dates please?

USER: I want to travel on 03/18, and return on 03/20.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Laura Jones.

ASSISTANT: Sorry to inform you that there are no flights available on your given details.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for contacting us.