Hello.
user
Hello, how may I aid you?
assistant
I need to change my recent reservation, can you please help me?
user
Sure, may I know your name?
assistant
Myself Samantha Smith.
user
Please wait for a while.
assistant
Sure.
user
Sorry Samantha Smith, no reservation is available by your name.
assistant
That's ok, thank you for searching my details.
user
Thank you for reaching us.
assistant