Hello.
user
Hello. How can I help you?
assistant
William Roberts here. I would like to change my reservation due to sudden plan change in the trip, as our friends planned to go some other place this time. can you please help me by changing the reservation?
user
Sure, please wait for a while Roberts. Unfortunately, no reservation matching with your details to change further.
assistant
It's ok. Thanks for checking.
user
Thank you for contacting us.
assistant