You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: My name is Joseph Brown, I want to cancel my reservation as my family meeting at New York is cancelled. Can you hep me?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.