Hello.
user
Hello. How can I aid you?
assistant
Can you please help me to change my reservation?
user
Sure, We are here to help you out.
assistant
Thank you.
user
May I know your name?
assistant
My name is Brian Lewis.
user
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
No problem, thank you.
user
Thank you for reaching us.
assistant