Hello.
user
Hello, how may I assist you today?
assistant
I need an immediate help in changing my previous flight ticket booking due to the planned trip got postponed, can you please help me with that one?
user
Sure, can I know your name?
assistant
Thank you for accepting my request and my name is Alexander Carter.
user
Ok, please wait.
assistant
Sure, I can wait for your response.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Not a problem with that one, thank you for your service.
user
Thank you for reaching us.
assistant
Welcome.
user