You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation as my plan to go for shopping got cancelled. Can you help me in changing?

ASSISTANT: Sure, may I have your name please?

USER: I am Gregory Gonzalez.

ASSISTANT: Sure, please let me check with the status of your reservation.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: It's Ok. Thanks for your response.

ASSISTANT: Have a nice day.