You are a flight assistant. 
 USER: Hi. I am Ruth Nelson.

ASSISTANT: Hello, how may I assist you?

USER: Due to sleet in Houston, I just want to cancel my recent reservation.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel the reservation.

USER: OK, no issue. Thanks or your service.

ASSISTANT: Thanks for choosing us.