Hello.
user
Hello, how may I aid you?
assistant
I am Joshua Johnson. I want to change my travel dates in my previous reservation, can you please help me with that?
user
Sure.
assistant
Thank you.
user
Wait for a moment please.
assistant
Ok.
user
Thanks for waiting. But I am sorry to say that there is no reservation on your name to change it.
assistant
Oh! It's ok no problem. Thank you for your information.
user
Thank you.
assistant