You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: I want t visit for the famous California temple with my family, which is located at Oakland.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket from MA - BOS?

ASSISTANT: Sure. Can I have your destination airport code?

USER: My destination is at CA - OAK.

ASSISTANT: On which dates you are willing to travel?

USER: I intend to travel on 09/01 and return on 09/03.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found that no flights available with your requirement.

USER: Ok, not an issue.

ASSISTANT: May I know your good name please?

USER: I am Lisa Williams and thanks for informing me.

ASSISTANT: Thank you for contacting us.