Hello.
user
Hello, how may I support you today?
assistant
I have cancelled my trip because I am unable to travel due  to some health issues. Can you please help me to cancel the ticket?
user
Sure, please share me your good name.
assistant
I am happy for your quick response. My name is Robert Evans.
user
Please wait for a while. Sorry to say that, there is no active reservation found on your good name.
assistant
It's ok, not a problem with that. Anyhow thank you for checking and providing the information.
user
Thank you for availing us.
assistant
You are welcome.
user