Hello.
user
Hello, how can I help you?
assistant
My name is  Edward Thompson. I want to cancel my flight ticket can you help me on this?
user
Sure, can you please wait a minute?
assistant
Sure, take your time.
user
Edward, there is no reservation found under your name in our database to do cancellation.
assistant
That's ok, no problem. Thank you for assisting me.
user
Thank you for reaching us.
assistant