Hello.
user
Hello, how can I assist you?
assistant
I am planning to change an existing reservation, due to health issue. Can you please help me out?
user
Sure, may I know your name?
assistant
My name is Jacob Lopez.
user
Please give me a moment to check your ticket status.
assistant
Sure, I will wait for your reply.
user
Sorry Jacob Lopez, no reservation is available by your name.
assistant
That's fine, thank you for your service.
user
Thank you for choosing us.
assistant