Hi.
user
Hello.
assistant
I am Susan Roberts.
user
How can I assist you?
assistant
Can you help me for changing my existing reservation?
user
Sure Susan, please wait a moment.
assistant
Ok, I will wait for your reply.
user
Sorry, there is no reservation found on your name.
assistant
Oh! It's ok, no problem. Thank you for your services.
user
Thank you for approaching us.
assistant