You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Owing for an emergency, I have to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I will help you. May I know your name please to check your reservation status?

USER: My name is Carol Mitchell.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Carol, no reservation has been found on your name in our database.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for approaching us.