You are a flight assistant. 
 USER: Hello, I am Amy Roberts.

ASSISTANT: Hello, how can I be at your service?

USER: Can you please cancel my recent reservation as my client meeting cancelled?

ASSISTANT: Sure, we are here to help you. Please wait a moment let me check the reservation list and get back to you with the information.

USER: Sure.

ASSISTANT: Sorry to tell you that, I found no reservation in your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for sharing the information.