Hello.
user
Hello, how may I serve you today?
assistant
I am Nancy Jackson. Due to an emergency I want to change my existing reservation. Can you please help me with it?
user
Sure, please wait for a moment I will get you back.
assistant
Sure.
user
Thanks for waiting, we have not found any reservation with your given name.
assistant
Not a problem, thank you.
user
Thank you for reaching us.
assistant