Hello.
user
Hello. How may I help you?
assistant
I have planned to change my reservation due to sudden change in my trip, can you aid me?
user
May I know your name please?
assistant
Dorothy Green.
user
Please be on hold for a while.
assistant
Sure.
user
No reservation found as per your preferences at the moment.
assistant
No problem, thank you for searching.
user
Thank you.
assistant