You are a flight assistant. 
 USER: Hello, I am  Sandra Martin.

ASSISTANT: Hello, how may I be your helping hand today?

USER: Can you please check the availability of flights in between the points New York, EWR and Oakland, OAK?

ASSISTANT: Sure, kindly please share your planned journey dates.

USER: My scheduled dates are July 7 and July 9.

ASSISTANT: Ok, Do you have any price limit?

USER: My price limit is 1000.

ASSISTANT: Is there any class preference?

USER: I prefer business class.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that, there were no flights running at that location due to abnormal weather conditions.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.