Hello.
user
Hello. How can I assist you today?
assistant
I want to change my existing reservation due to sudden postpone of my trip dates. Can you help me with that?
user
Sure, will you please mention your name?
assistant
I am Ronald Anderson.
user
Please give me a moment.
assistant
Sure.
user
Thanks for waiting, there is no reservation found under your name.
assistant
Ok, no problem. Thank you for your response.
user
Welcome, have a great day.
assistant