You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Eric Evans, I plan a trip to CA-OAK to see my brother, help me to book a flight from CA-SFO.

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I will travel on 01/06 and return on 01/08.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with a halt.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you so much for pinking us.