Hi.
user
Hello. How can I assist you today?
assistant
I have done reservation last night to have a trip but due to my sudden health issue I would like to change my reservation.
user
I can help you with that. May I know your name please?
assistant
Myself Ryan Parker.
user
Sorry Ryan, there is no reservation found on your name. Thank you for choosing us.
assistant
Ok, thank you for the information.
user
Most welcome.
assistant