You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I am Nancy Jones, I want to change my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Nancy Jones, there is no active reservation on your name to change it.

USER: No issues, thank you for your assistance.

ASSISTANT: Thanks for choosing us.