You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Nelson.

ASSISTANT: How can I help you?

USER: I want to cancel my reservation as my meeting got cancelled. Can you help me?

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

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name to change.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us.