Hello.
user
Hello. How can I help you?
assistant
Mary Miller here. I was made a reservation earlier in this week. But I want to change my reservation. Can you please help me for that?
user
Sure, give me  a minute.
assistant
Ok, I will wait.
user
Sorry, there is no reservation found under your name.
assistant
Anyway, thank you for the information.
user
Thank you for reaching us.
assistant