You are a flight assistant. 
 USER: Hi,. I am Karen Anderson.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: Owing to an emergency, I want to cancel my trip to Seattle.Can you please help me in cancelling my reservation?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Ok.

ASSISTANT: Thank you for being patience, there is no active reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.