You are a flight assistant. 
 USER: Hello. I am Anthony Turner.

ASSISTANT: Hello, how may I benefit you?

USER: I need to visit Oakland, CA - OAK for my parents wedding anniversary shopping. Can you book a ticket on 05/02?

ASSISTANT: Sure, we are here to help you. Can you please provide me your nearest airport code?

USER: Sure, my source nearest airport is New York, NY - EWR.

ASSISTANT: When will you back?

USER: On 05/04 I need to return.

ASSISTANT: Ok, give me sometime.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

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

ASSISTANT: Thank you for reaching our service.