You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, we are here to help you. May I know your good name please?

USER: Thank you. My name is Melissa Lee.

ASSISTANT: Ok, please wait for sometime.

USER: Sure, I will wait for your response.

ASSISTANT: We found a reservation on your name and it is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.