You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Jennifer Mitchell here. Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: I found your reservation and it is successfully cancelled.

USER: Thank you for the help in cancelling my ticket.

ASSISTANT: Welcome.