You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me with changing my recent reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: My name is Amanda Adams.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thanks for contacting us.