You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, may I know your good name please?

USER: Ok, I am Matthew Williams.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your own time.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, not an problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.