Hi.
user
Hello. May I know your name?
assistant
Owing to an emergency, my business conference got postponed. So I had a request to you to change my existing reservation? Sure, I had a reservation with name Mary Adams.
user
Sure, I can help you. Please wait a while.
assistant
Sure.
user
Thanks for being waiting. We didn't found any reservation by this name.
assistant
Ok, no worries at all. Thanks for your kind service.
user
Thank you for consulting us.
assistant