You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: May I know your name?

USER: I am Amanda Lewis.

ASSISTANT: Sorry, we did not found any reservation under your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us.