Hello.
user
Hello. How may I assist you today?
assistant
I am David Smith from Washington. I want to change my travel dates in my previous reservation so can you please help me with that?
user
Sure, I am here to help you to make a change of reservation, please wait for a minute.
assistant
Ok, thank you.
user
Sorry, I could not find any reservation with your name in our database.
assistant
Oh! It's ok no problem. Thank you for your information.
user
Thanks for choosing us.
assistant