Hi,.
user
Hello, how may I help you today?
assistant
I need to change my existing reservation due to an emergency.
user
Sure, I will help you with that. May I know your good name?
assistant
My name is Donald Carter.
user
Please wait for while, I check for reservation.
assistant
Ok.
user
Thank you for waiting, sorry there is no reservation found on your name.
assistant
Thanks.
user
Thank you for reaching us.
assistant