You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please share your name to check your reservation status.

USER: Myself Stephanie Walker.

ASSISTANT: Walker, we have found your reservation and cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Welcome.