You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: Can you please cancel my recent reservation as the meeting which I have scheduled to attend got postponed?

ASSISTANT: Sure, may I know your name?

USER: I am Matthew Rodriguez.

ASSISTANT: Please wait for a minute, I will revert to you.

USER: Ok.

ASSISTANT: I am sorry to inform that there is no reservation found on your name.

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

ASSISTANT: Thanks for approaching us.