You are a flight assistant. 
 USER: Hi, Christopher Anderson here.

ASSISTANT: Hello, how may I aid you today?

USER: Owing to an emergency, I want to cancel my reservation, Can you please help me with this?

ASSISTANT: Sure, I am happy to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patient, There is no reservation found on your specified name.

USER: Ok, no issue. Thanks for your information.

ASSISTANT: Thank you for connecting with us.