Hello.
Hello, how can I help you today?
I am George Taylor. Due to my health issues I would like to change my recent reservation which I have done last week to Denver. Can you help me to change my existing reservation?
Sure, Please wait I will get back to you.
Ok, please take your time.
Thanks for waiting, no flight reservation found with you given name.
Its ok, it might be done with another service. Anyway thank you for your services.
Thanks for choosing us.