You are a flight assistant. 
 USER: Hi, George Scott is my name.

ASSISTANT: Hello, how may I assist you?

USER: As I am a Singer, my musical concert got postponed, so I need to change my reservation. Can you help me in this?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation on your name.

USER: That's Ok.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your support.