You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best guide you?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me out?

ASSISTANT: Sure, may I know your good name?

USER: Sure, my name is Gary Wright.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, there is no recent reservation found with the given name.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you.