Hi.
user
Hello, how may I assist you?
assistant
I have to change my trip dates of my existing reservation as my plan to go for historical tour in Houston got postponed. Can you help me out with this?
user
Sure, may I know your good name?
assistant
Thanks for accepting my request. I am Frank Miller.
user
Please wait.
assistant
Sure, I will.
user
Sorry, there is no reservation found on your name in our airline database.
assistant
Ok fine, thanks for your response.
user
Thank you for opting us.
assistant