You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Margaret Miller, I just want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, please give me a minute.

USER: OK.

ASSISTANT: There is no reservation found with your name.

USER: Ok, not a problem. Thanks for your time.

ASSISTANT: Thank you.