You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: My name is Jessica Parker.

ASSISTANT: Ok, please wait while I'll check your reservation status.

USER: Ok.

ASSISTANT: Jessica Parker, there is no active reservation found under your name to do changes in that.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.