You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Jonathan Carter. I am planning to meet my childhood friend in MA - BOS, so please help me in booking a flight ticket from Oakland.

ASSISTANT: Sure, can you please share your source point?

USER: My source is Oakland CA - OAK.

ASSISTANT: Do you need any layby in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Let me know your budget for airfare?

USER: I can afford up to 1000.

ASSISTANT: May I know when you are willing to travel?

USER: I want to fly on 03/26 and return on 03/28.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.