You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Emily Campbell here, due to sudden health problem I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Thank you.

ASSISTANT: There is no recent reservation on your name according to your details. Thank you for approaching us.

USER: Ok, not a problem. Thank you.