You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you today?

USER: Can you help me in changing my recent reservation?

ASSISTANT: Sure, I will help you. May I know your good name please?

USER: My name is Andrew Lopez.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you.