You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name please?

USER: I am Carol Baker.

ASSISTANT: How may I be of your help?

USER: I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thanks for holding on, there is no reservation found with your specified name.

USER: It's ok, thank you for your information.

ASSISTANT: Thanks for reaching us, hope to serve you again.