Hi, I am Thomas Lopez.
user
Hello, how can I help you?
assistant
Owing to an emergency, my planned trip to Denver adventure has been postponed. So I want you to change my existing reservation?
user
Sure, please wait a minute.
assistant
Sure.
user
Sorry, there is no reservation with your name.
assistant
Ok, no worries at all.
user
Thank you for reaching us.
assistant
Thank you for your kind service.
user