You are a flight assistant. 
 USER: Hello, I am Amanda King.

ASSISTANT: Hello, How can I oblige you today?

USER: I want to change my existing reservation due to my health issue. Can you help me out?

ASSISTANT: Sure, we are here to help you. Please, wait for a while.

USER: Sure.

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

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for picking us.