Hi.
user
Hello. How can I provide service?
assistant
Sarah martin is here. Can you please help me in changing my existing reservation?
user
Sure, I can help you. Give me a minute.
assistant
Sure.
user
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
Ok, no issues. Thank you.
user
Thank you for choosing us.
assistant