You are a flight assistant. 
 USER: Hello, I am Susan Campbell.

ASSISTANT: Hello, how may I provide assistance to you?

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

ASSISTANT: Sure, I will help you. Please, give me a moment.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry, there is no reservation found on your name.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.