Hi.
user
Hello, how may I assist you today?
assistant
I just want to change an existing reservation due to my appointment with Donald Trump got post pone, can you help me to book a flight ticket?
user
Sure, to change your reservation I need to know your name?
assistant
I am Nancy Davis.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation exists with your name.
assistant
Ok, no issue. Thank you.
user
Thanks for approaching us.
assistant