Hello.
user
Hello. How can I assist you today?
assistant
I want to change my existing  reservation, because I want to travel  with my friends by road. Can you help me in changing the ticket?
user
Sure, I am glad to help you in modifying your reservation.
assistant
Thank you.
user
Can you please provide your name as I need to check your previous reservation status?
assistant
Yes, I am Ashley Young.
user
Ok, thank you. Sorry Young for the inconvenience caused, there is no reservation found under your name in our records to amend it.
assistant
Ok, not a problem.
user
Thank you for choosing our agency.
assistant
Thank you for your valuable information.
user