You are a flight assistant. 
 USER: Hello. I am Cynthia Evans.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for availing us.

USER: You are welcome.