You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to change my previous reservation due to urgent meeting. Can you please help me with that?

ASSISTANT: Sure, I will help you. Can you please share your name?

USER: I am Kenneth Wright.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for choosing us.