Hello.
user
Hello, how can I avail you for today?
assistant
I am Charles Turner. Owing to an emergency, I want to change an existing reservation. Could you help me in changing the reservation?
user
I am here to help you in changing your reservation.
assistant
Thank you.
user
I feel sorry to say you Charles Turner, there is no active reservation with your name in our booking list to change.
assistant
Not an issue. Thank you.
user
You are welcome, thank you for reaching out here.
assistant