You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: Can you please help me in cancelling my ticket under the name of Katherine Adams.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while and let me check your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no any reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.