Hello.
Hello. How may I assist you?
I am looking to cancel the ticket because I am unable to travel due to some health issues. Can you please help me to do that?
Ok, allow me to check with your previous booking. May I know your good name?
Thank you.  Please check my ticket status with name Carolyn Hall.
Your reservation is successfully cancelled. Thank you for choosing our services.
Thank you for your help.
Have a nice day.