Hi.
user
Hello.
assistant
I am Richard White.
user
How may I render you today?
assistant
 Will you please assist me in changing reservation, as the invitation which I got to attend for music festival got postponed?
user
Sure, I will help you.
assistant
Thank you.
user
I have gone through the list, but no reservation is existed previously.
assistant
Not an issue. Thank you for your help.
user
Ok, Thank you.
assistant