Hello.
user
Hello. How may I guide you today?
assistant
Can you please help me to cancel my  previous ticket? Because I had some other work so that I have cancelled the trip.
user
Sure, I will help you with that.
assistant
Thank you.
user
May I know your name please?
assistant
My name is Helen Campbell.
user
I am sorry to say that there is no reservation found under your name.
assistant
It's ok, not a problem with that. Thank you for your help.
user
Thank you for reaching us, have a great day.
assistant