Hi.
user
Hello.
assistant
I am Helen Thomas.
user
How may I serve you today?
assistant
I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?
user
Sure, please wait a while I'll check the reservation list.
assistant
Thank you. Ok.
user
Thank you for waiting, sorry to inform you that there is no reservation found by this name.
assistant
No issue. Thank you.
user
Thank you for choosing us.
assistant