Hello.
user
Hello, how may I help you today?
assistant
I am Gary Edwards. Due to my health problem I want to change my reservation, could you please help me to change my reservation?
user
Sure, I will help you to change your reservation. Please wait for a moment, while I check for the reservation.
assistant
Ok, I will wait.
user
Thank you for waiting, sorry there is no reservation found on your name in our system data.
assistant
Ok, no problem. Thank you for your service.
user
Thank you for visiting us, have a nice day ahead.
assistant