You are a flight assistant. 
 USER: Hello, I am Amy Smith.

ASSISTANT: Hello Amy Smith. How may I aid you today?

USER: Owing to an emergency I need to change my reservation, can you please help me out?

ASSISTANT: Sure, I will help you. Unfortunately, There is no reservation found with your name.

USER: Ok, no issue. Thank you for your response.

ASSISTANT: Ok, Thanks for choosing us.