Hello.
user
Hello. May I know your name please?
assistant
I am John Anderson.
user
John, how can I help you now?
assistant
I want to attend my friend's marriage for that I reserved the ticket, but right now I am going by with other friends. So that I want change my reservation, can you help me to change my ticket?
user
Sure, I will help you with that. Sorry John, there is no reservation found on your name.
assistant
It's ok. Thank you.
user
Thank you for contacting us, have a nice day.
assistant