You are a flight assistant. 
 USER: Hello, I am Raymond Wright.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend seasonal festivals at Oakland, CA-OAK. could you please help me with booking a flight ticket from New York, NY-EWR?

ASSISTANT: Sure, please share me your journey dates?

USER: Sure, I intent to fly on 08/07 and arrival is on 08/09.

ASSISTANT: OK, please wit for few minutes, let me check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flight with your requirement.

USER: Not a big problem, thank you for your information.

ASSISTANT: Thank you, for reaching us.