You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please aid me to cancel my recent reservation?

ASSISTANT: Sure, I will help you with that. Can I know your name to check your previous reservation?

USER: Thank you for accepting my request. Please check the ticket under the name Kimberly Hill.

ASSISTANT: Please be on hold.

USER: Sure, I will wait.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.