Hi.
user
Hello. How may I help you?
assistant
I would like to change my reservation, can  you please help me?
user
Sure, I am here to help you in changing your reservation. May I know your name to check with the status?
assistant
My name is Melissa Baker.
user
Please wait a moment while I check with the status.
assistant
Sure.
user
Thank you for waiting. Melissa Baker, regret to inform that there is no active reservation found under your name to amend.
assistant
Ok, thank you for informing me.
user
Thank you for reaching our agency.
assistant