You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Actually I made a reservation in earlier week, due to sudden demise of my great grandfather, I want to cancel it. Can you please help me with cancellation?

ASSISTANT: Definitely, I will help you in this.

USER: Thanks for accepting my request.

ASSISTANT: To check the reservation list, we need your name, so please provide it.

USER: Sure, My name is Anthony Moore.

ASSISTANT: Please wait for a while, I will see your reservation on my computer and you will be all set.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to inform you Anthony Moore, I have checked the reservation list in our portal but we did not find any reservation on your name to cancel it.

USER: Ok, thanks for your good response.

ASSISTANT: Thank you for approaching our chat service, we hope to serve you better next time.