Hello.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation due to health issues, can you please help me with that?
user
Sure, may I know your name?
assistant
My name is Richard Baker.
user
Please give me a moment to check your ticket status.
assistant
Sure.
user
Sorry Richard Baker, no reservation is available by your name.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant