You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Nicole Davis. I want to cancel my recent reservation  due to sudden change in my trip.

ASSISTANT: Sure, give me a minute.

USER: Ok.

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

USER: No issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for contacting us.