You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: As my mother is unwell, I have to cancel my reservation. Can you please help me?

ASSISTANT: Sure, I will help you with cancelling.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Debra Clark.

ASSISTANT: Clark, I did not find any reservation with your name.

USER: Not an issue, anyway thank you for checking.

ASSISTANT: You are welcome.