Hello, Steven Collins here.
user
Hello, how may I guide you?
assistant
Owing to an emergency, I would like to change my existing reservation to some other dates. Can you help me?
user
Sure, I will help you. Please wait a moment.
assistant
Ok, take your time.
user
Steven, no reservation has been found on your name in our database.
assistant
Its ok, thank you for the information.
user
Thank you for choosing us.
assistant