You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: I would like to change my reservation as my trip got cancelled, can you please help me out with that?

ASSISTANT: Ok, I am here to help you with that. Meanwhile may I know your name to check whether your reservation is available or not?

USER: I am Debra Brown.

ASSISTANT: Ok, please wait for a while. I will check and let you know about your reservation status.

USER: Sure, I will stand by.

ASSISTANT: Sorry, Debra Brown I did not find any active reservation on your name to change.

USER: That's ok, thank you.

ASSISTANT: Thank you for connecting with us, have a nice day ahead.