You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I'm Deborah Hall, can you please help me to cancel my current reservation?

ASSISTANT: Can you please wait for a while, I will verify your reservation status and let you know.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting and sorry, no active reservation found on your name to cancel.

USER: Thank you for checking.

ASSISTANT: Thank you for reaching us.