Hello.
user
Hello. How may I assist you today?
assistant
I am Michael Johnson, can you help me to change the reservation I did recently?
user
Sure, I will try to change your recent reservation, please wait for a minute.
assistant
Ok, I will wait.
user
Sorry, I could not find any reservation with your name.
assistant
Ok, not a problem. Thank you for assisting me.
user
My pleasure.
assistant