You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Matthew Roberts. Please cancel my recent reservation which I have done with my name.

ASSISTANT: Ok, please wait.

USER: Sure, take your own time.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.

USER: It's my pleasure.