You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Sure, I  am here to help you for this. Let me check your reservation status in our records.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Joseph Carter.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We could not find any reservation by the name you provided.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.