Hi.
user
Hello, how can I help you today?
assistant
I am Jack Williams. Owing to emergency, I need to change my recent reservation. Please help me with that.
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no active reservation found on your name to change.
assistant
Thank you for your help.
user
Thanks for availing us, have a nice day.
assistant
Most Welcome.
user