You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I am Deborah Collins. I want to cancel my recent reservation due to sudden change in my trip. Can you help me with this cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: No issue. Thank you for your help.

ASSISTANT: Thank you for reaching us, we hope see you again.