You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Margaret Hernandez.

ASSISTANT: How can I serve you?

USER: Please, cancel my recent reservation due my illness.

ASSISTANT: Sure. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok, no worries.

ASSISTANT: There is a reservation found on your name and it got cancelled.

USER: Thank you.

ASSISTANT: Thank you.