You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good morning.

USER: I am Janet Miller.

ASSISTANT: Janet, how can I aid you?

USER: I want to change my reservation due to my extension of my project work , can you help in that?

ASSISTANT: Sure, I will help you with that. Please wait for a while, I will the check the flight details. Sorry Janet, there is no reservation found on your name.

USER: That's ok. Thank you for your help.

ASSISTANT: You are welcome.