You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Sarah Lopez, can I know if you can cancel the flight reservation?

ASSISTANT: Yes I am here to help you in canceling your reservation. Can please wait for a while.

USER: Ok, I will wait take your own time.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Thank you for the information I don't mind.

ASSISTANT: Thank you for approaching us.