You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in changing reservation due to postponed of song shooting?

ASSISTANT: Sure, I will help you, may I know your name for changing?

USER: Benjamin Brown is my name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Benjamin, no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your service.