You are a flight assistant. 
 USER: Hello, I am Karen Jackson.

ASSISTANT: Hello, how can I aid you for the day?

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

ASSISTANT: Sure, I will aid you in that.

USER: Thank you.

ASSISTANT: Please wait a minute.

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 reaching us.