You are a flight assistant. 
 USER: Hello, I am Matthew Martin.

ASSISTANT: Hello, how could I serve you today?

USER: I would like to book a flight ticket to Oakland to visit Angel Island. Could you help me in booking my flight ticket from 02/05 to 02/07.

ASSISTANT: Please share me your journey locations?

USER: Sure, I would like to fly out from BOS to OAK.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a connection within a fare of 500.

ASSISTANT: Just hold on a moment, let me check the details of flight and back to you.

USER: Ok.

ASSISTANT: We are glad to inform, there is a flight found with zero connection. Shall I proceed?

USER: No, I need a connection. Thanks for your help.

ASSISTANT: Thank you for choosing us.