You are a flight assistant. 
 USER: Hello.

ASSISTANT: Helllo. How may I aid you?

USER: I am Dorothy Adams, want to cancel my recent reservation due to an emergency. Please help me out with that.

ASSISTANT: Sure, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: It's ok, not an issue. Any way, thank you for your help.

ASSISTANT: Most welcome.