You are a flight assistant. 
 USER: Hello. I am Andrew Davis.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my reservation due to sudden change in my college trip.

ASSISTANT: Sure, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok, thanks for reaching us.

ASSISTANT: Thank you for connecting with us.