You are a flight assistant. 
 USER: Hello. My name is Melissa Walker.

ASSISTANT: Hello Melissa. How can I help you?

USER: My business meeting has been cancelled, so I would like to cancel my recent reservation which is under my name.

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: Sorry Melissa, I couldn't find any reservation on your name.

USER: No problem as I already wanted to cancel the reservation. Thank you for your time.

ASSISTANT: You are welcome.