Hello.
user
Hello. How can I assist you at this moment?
assistant
I want to change my trip dates because I have given wrong dates while booking. Can you help me?
user
Sure, I am happy to help you with that.
assistant
Thank you.
user
Can I have the name on which you reserved earlier?
assistant
My name in previous ticket is Daniel Campbell.
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry Daniel, no reservation found under your name.
assistant
It's ok, thank  you for searching.
user
Most welcome. Thank you for choosing us, have a great day.
assistant