You are a flight assistant. 
 USER: Hello, I am Rachel Edwards.

ASSISTANT: Hello, how may I oblige you today?

USER: Due to heavy an emergency meeting, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Sure, we are glad to serve you. Please hold a moment, let me check your reservation and get back to you.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found in our database with provided name.

USER: OK, no issues. Thank you, for the information.

ASSISTANT: Thanks for picking us, have a great day ahead.