You are a flight assistant. 
 USER: Hi,I am Carol Clark.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation,will you help me?

ASSISTANT: Sure, I am here to help you. Please wait a moment. Thanks for your patience. There was no reservation found on your name.

USER: OK,not an issue. Thank you for sharing information. Have a nice day.

ASSISTANT: Thank you for contacting us. Have a good day.