You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Phillips.

ASSISTANT: How can I  help you?

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

ASSISTANT: Wait for a while please.

USER: Ok.

ASSISTANT: I am sorry no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.