You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to go to oracle arena where my brother is staying. For this I want to book a ticket to Oakland, CA - OAK. Can you help me to book a connecting flight?

ASSISTANT: Sure, can I have your trip dates?

USER: My trip dates are 08/15 and recur on 08/17.

ASSISTANT: Where do you want to board from?

USER: My source is from Boston, MA - BOS.

ASSISTANT: May I know your name please?

USER: I am Debra Turner.

ASSISTANT: Sorry, we did not find any flights running in your preferred dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for your presence.