Hello.
user
Hello, how can I help you?
assistant
Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Sure, I will help you to change your reservation. May I know your good name?
assistant
Myself Mark Robinson.
user
Please wait for a moment.
assistant
OK.
user
Thank you for waiting, sorry there is no reservation found on your name.
assistant
Thank you so much for your good service.
user
Thank you for reaching us, we hope see you again.
assistant