Hi.
user
Hello, how may I aid you?
assistant
I would like to change my flight reservation as I am unwell, can you please help me?
user
Sure, may I know your name?
assistant
My name is Elizabeth Green.
user
Please give me a moment to check your ticket status.
assistant
Sure.
user
Sorry Elizabeth Green, no reservation is available by your name.
assistant
No problem, thank you for checking.
user
Thank you for choosing us.
assistant