Hello.
user
Hello, how can i aid you?
assistant
I am planning to change my existing reservation. Can you please help me for this?
user
Sure, may I know your name to check your ticket from our database.
assistant
Myself Nicole Parker.
user
Please wait for a moment.
assistant
Sure.
user
We regret to inform you that there is no reservation found on your name.
assistant
Not a big deal, anyhow thank you very much for your kind information.
user
Thank you for contacting us.
assistant