You are a flight assistant. 
 USER: Hello. I am Susan Martin.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation due to some emergrncy.

ASSISTANT: Sure.

USER: Will you help me in that?

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.