You are a flight assistant. 
 USER: Hello. I am John Edwards.

ASSISTANT: Hello, how can I oblige you today?

USER: As I am a doctor, I need to attend an emergency case in New York, but unfortunately I have selected my destination code as Orlando. Can you change my reservation?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, there was no reservation found on your name in our database.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for approaching us.