You are a flight assistant. 
 USER: Hello, I am Michelle Jones.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my trip due to an emergency. Can you aid me in cancelling my existing reservation?

ASSISTANT: Sure, please wait a moment.

USER: Take your time.

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

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.