You are a flight assistant. 
 USER: Hi. I am Katherine Phillips.

ASSISTANT: Hello, How can I help you?

USER: I would like to cancel my recent reservation, owing to an emergency my meeting has been preponed. Can you please help me?

ASSISTANT: Sure, Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.