You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you? May I know your good name for further process.

USER: I would like to visit Oakland, to participate in the Run Disney Races along with my brother. Can you reserve me a ticket?

ASSISTANT: May I know your journey details?

USER: Sure, I want to depart from LGA, and arrive at OAK. My journey dates are: 01/18 and 01/20.

ASSISTANT: May I know your good name?

USER: I am Melissa Carter.

ASSISTANT: No flights found with your requirement.

USER: Ok, thanks for the information.

ASSISTANT: Thank you, have a nice day.