You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I just want to cancel my previous reservation due to some personal problem, please help me with that.

ASSISTANT: Sure. May I know your name please?

USER: Sure, my name is Carolyn Turner.

ASSISTANT: Please wait for a while.

USER: Ok, I will be waiting.

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

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.