Hello.
user
Hello, what can I do for you today?
assistant
I want to change my travel dates in my existing reservation, can you please help me?
user
Sure, I can help you. Can I know your name please? For checking your reservation status.
assistant
My name is Patrick Hall.
user
Hall, please wait for a moment.
assistant
Ok, take your own time to check with my ticket status.
user
Sorry Hall, I have not found any reservation by your name in our database.
assistant
Oh! That's fine. Anyways, thank you for checking.
user
Thank you for contacting us and have a nice day.
assistant
Welcome.
user