Hello.
user
Hello.
assistant
I am Alexander Nelson.
user
How can I help you?
assistant
I need to change my reservation due to my planned event got postponed. So please help me with that.
user
Just a moment please.
assistant
Thank you. I will wait for your response.
user
I am sorry no reservation found on your name.
assistant
Oh! It may not be booked properly due to some technical issues. Anyway, thank you for your time.
user
Thank  you.
assistant