Hello.
user
Hello, good evening.
assistant
My self Helen Parker.
user
Helen, what kind of help you are looking for?
assistant
Due to some problems, I want to change my existing reservation. Can you help me?
user
I can help you with that, can you tell me your name for changing reservation? Sorry, there is no reservation on your name.
assistant
It's ok, no problem.
user
Thank you for approaching us.
assistant
Thank you for your information.
user
Welcome.
assistant