You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Yes, give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, not a problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for checking.