You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn King.

ASSISTANT: How may I aid you today?

USER: I would like to cancel mu recent reservation, due to some personal problems. Can you please help me?

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

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

USER: No problem, thank you for checking.

ASSISTANT: Thanks for reaching us.