You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Emily Walker. As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for opting us.