Hi.
user
Hello. How can I assist you?
assistant
I want to change my existing reseravtion.
user
Ok, please wait. May I know your name?
assistant
My name is Lisa Collins.
user
Sorry, no reservation found on your name to change.
assistant
No worries, may be I booked from another travel agent.
user
Thank you for reaching us.
assistant
Thank you for checking it.
user