You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Owing an emergency want to change my reservation, can you please help me with it?

ASSISTANT: Sure, I am perky to help you. May I know your good name to check reservation?

USER: Yes, my name is Nancy Taylor.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience. There is no reservation found on your name.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for approaching us.