Hi.
user
Hello. How can I help you?
assistant
I need to change my current reservation, can you help me with that?
user
Sure, please mention your name to check your reservation details in our database.
assistant
I am Helen Harris.
user
Sorry to inform you that there is no reservation found by your name in our database.
assistant
That's ok, no issues. Thank you for your help.
user
Thank you for reaching us.
assistant