You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Could you please help me out with cancellation?

ASSISTANT: Sure, may I know your good name to check in the reservation list?

USER: Can you please change the reservation on the name of Larry Phillips?

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we did not find any active reservation in your name to change your reservation.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, hope to serve you again.