You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Myself Linda Williams.

ASSISTANT: Linda, no reservation has been found on your name in our records.

USER: Ok, not an issue. thank you for checking.

ASSISTANT: Thank you for choosing our service.