Hello.
Hello. How may I help you?
I want to change dates in my existing reservation, can you please help me?
Sure, I am here to help you. Can I know your name?
Myself Christine Jones.
Thank you. Please wait for a while, let me check your reservation status.
Sure, I will wait for your response.
Sorry, no reservation found under your name in our database.
No issue, anyway thank you for checking.
You are most welcome.