You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I want to cancel my recent reservation, as my political interaction with people got postponed due to heavy rains. Can you help me out?

ASSISTANT: Ok, sure I am here to help you. May I know your name?

USER: I am Joseph Hall.

ASSISTANT: Thank you, sorry no reservation found by your name.

USER: Ok, not an issue. Thanks for your quick information.

ASSISTANT: Have a nice day.