You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to cancel my recent reservation due to sudden change in my trip dates. Can you help me with that?

ASSISTANT: Sure, I am here to help you. Can you please provide your name to check your reservation status?

USER: Thank you. I am Pamela Hall.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Pamela Hall, there is no active reservation found under your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for utilizing our service.