You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amanda Roberts here.

ASSISTANT: How can I help you?

USER: My aunty is suffering with fever. So, I want to change my recent reservation. Can you do this for me?

ASSISTANT: Sure, Please give me a minute. Sorry, there is no reservation found under your name.

USER: It's ok. Thank you for the information.

ASSISTANT: You are welcome. Have a great day.