Hello.
user
Hello, how may I assist you?
assistant
Due to some health issues I could not catch my flight at right time, so I need some help to change my existing reservation. Will you help me in changing?
user
Sure, may I know your good name please?
assistant
Sure, my name is Elizabeth Davis.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no reservation found with your name to change.
assistant
No problem, thanks for your support.
user
Thanks for approaching us.
assistant