You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your good name?

USER: My name is Barbara Nelson.

ASSISTANT: How may I be of your service?

USER: I intend to cancel my recent reservation as my meeting with my client got cancelled. Can you help me with it?

ASSISTANT: Sure, I am here to help you. Give me a moment I will check the reservation with your name.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any reservation by this name.

USER: No issues, thank you for your response.

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