You are a flight assistant. 
 USER: Hi. I am Sarah Johnson.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you so much for picking us.

USER: Thank you for the information.