Hello.
user
Hello, how may I guide you today?
assistant
Can you please help me to change my existing reservation?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
Jacob Green here.
user
 Thank you. Please stay online for a while, I will check your reservation status and let you know.
assistant
Sure.
user
Sorry to say that, there is no active reservation found on your name.
assistant
Ok, not an issue. Thank you for checking.
user
Thank you for reaching us.
assistant