Hello.
user
Hello, how can I serve you today?
assistant
I want to change my existing reservation, can you help me with that?
user
Sure, I will help you.
assistant
Thank you.
user
May I know your name?
assistant
My name is Christine Walker.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
No issues, thank you for the checking.
user
Thank you for availing us.
assistant