You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Nicholas Collins.

ASSISTANT: How can I help you?

USER: I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome. Have a great day.