Hi,.
user
Hello, how can I help you today?
assistant
I am Emma White. Please, change my existing reservation as my dates of travel are postponed.
user
Sure, we are here to help you to change your recent reservation. Please wait for a while.
assistant
Thank you.
user
Thanks for your time, there was no reservation found on your name.
assistant
Ok, thank you for help.
user
Thank you for approaching us.
assistant