You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Campbell.

ASSISTANT: How can I help you?

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

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.

ASSISTANT: Welcome, have a nice day. Thank you for opting us.