Hello, Emily Walker here.
user
Hello Emily. How can I aid you today?
assistant
 I need to cancel my reservation, as my friends have already booked my ticket in another flight along with theirs, I was not aware of this thing, can you please cancel the ticket for me?
user
Sure, I will help you Emily, let me check is there any  reservation available or not.
assistant
Ok, take your own time.
user
No previous reservation found on your name Emily Walker.
assistant
That's ok.
user
 Do you need anything else from us to help you?
assistant
No. Thank you.
user
Thank you for reaching us, have a great day.
assistant