Hi. I am Jacob Lewis.
Hello, how may I help you?
I have planned for a holiday vacation tour but suddenly the dates got changed, so I would like to change my reservation, can you help me with it?
Sure, I will help you.
Thank you.
Please hold on a moment.
OK.
Sorry, there is no reservation found on given name.
No issues, thank you for the information.
Thank you for reaching us.