You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my reservation, due to my sudden change in climate for the couple of days. Can you help me with cancellation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name to cancel your reservation?

USER: Emma Smith, is my name.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation with your name.

USER: Oh! I think it doe not reserved properly. Anyway, thanks for your support.

ASSISTANT: Thank you for opting us.