You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, will you mention your name please?

USER:   Sure, my name is Stephanie Perez.

ASSISTANT: Your reservation is successfully cancelled.

USER: Thank you.

ASSISTANT: Welcome, have a great day.