You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I am Samuel Baker. 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 help me to change my reservation?

ASSISTANT: Sure, I am here to help you. Please hold on.

USER: Sure.

ASSISTANT: Thanks for being patient, there is no active reservation found on your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for choosing us.