Hi.
user
Hello.
assistant
Myself Alexander Jackson.
user
How may I aid you today?
assistant
I want to change my existing reservation, can you help me?
user
Sure, please wait a moment.
assistant
Ok, I will wait for your response.
user
Sorry Jackson, there are no active reservation available on your name.
assistant
That's ok, may be it went wrong during at the time of booking. Anyway, thank you for the information.
user
Thank you for reaching us.
assistant