Hello. Myself Rachel Hall.
user
How may I assist you?
assistant
I want to change my existing reservation, can you help me in that?
user
Sure, please wait. Let me check your reservation status in our database.
assistant
Thank you. I will wait for your response.
user
Sorry, I did not find any reservation under your name in our database.
assistant
That's ok, no problem. Thank you for the information.
user
You are welcome and thank you for choosing us.
assistant