You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I am Carol Evans and I would like to cancel my reservation as my trip got cancelled.

ASSISTANT: Sure, please wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation found by this name.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for contacting us, have a nice day.