Hi.
user
Hello, how can we help you?
assistant
Owing to an emergency, I want to change my existing reservation.
user
Sure, may I know your name to check with the reservation status?
assistant
Sure, Catherine Collins here.
user
Sorry, there is no active reservation found under your name to change.
assistant
Ok, no worries at all. Thank you for your information.
user
Thank you for reaching us.
assistant