You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER:  I am planning to visit Oakland, will you help me in booking the flight ticket from BOS to OAK?

ASSISTANT: Ok, may I know your planned dates for this journey?

USER: My preferable journey dates are June 30 and July 02.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: Myself Donna Martinez.

ASSISTANT: Do you need any other requirements?

USER: No, thank you for asking.

ASSISTANT: Sorry to say, there are no flights available for your journey. Thank you for approaching us.

USER: Ok, not an issue.

ASSISTANT: Have a great day ahead.

USER: Thank you for your information.