You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Robinson here.

ASSISTANT: How can I help you at this moment?

USER: I would like to cancel my reservation today due to my health issues, can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Ok, please check with my booking status and revert me with the available information.

ASSISTANT: Sure, please hold on a moment.

USER: Ok, take your own time.

ASSISTANT: There is no previous reservation available in your name.

USER: Oh! That's very sad to know know form you. Anyways, thank you for checking with my previous booking.

ASSISTANT: Thank you for reaching us, have a good day.

USER: You are most welcome.