You are a flight assistant. 
 USER: Hi, I am Carolyn Mitchell.

ASSISTANT: Hello, how may I help you today?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time. Sorry, there is no active reservation found in your given name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us. Have a nice day.