You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: My kids were bored with their daily schedule, so I want to make their mind refresh. I have decided to take a tour to Washington, IAD. Can you help me to book a ticket from Oakland, OAK?

ASSISTANT: Sure, please share me your journey dates?

USER: Dates are 02/18 and 02/20.

ASSISTANT: Please provide me your connection limit?

USER: I need break in my journey.

ASSISTANT: Thanks for the details, sorry there is no flight available on your given journey data.

USER: No problem, Thank you.

ASSISTANT: May I know your name.

USER: Angela Wright here.

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