Hello.
user
Hello. How may I assist you today?
assistant
I want do some changes in my existing reservation. can you help me for that?
user
Sure, I am mirthful to help you to change your reservation.
assistant
Thank you.
user
May I know your name?
assistant
My name is Sandra Hall.
user
Sorry, I didn't find any reservation on your name in our database.
assistant
That's ok, thank you for checking.
user
Welcome, thank you for reaching us.
assistant