You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to an emergency, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Ok, may I know your name to check your current status of your reservation?

USER: Please check the status of reservation in the name of Joseph Roberts.

ASSISTANT: There is no reservation found on your name to cancel it.

USER: Ok, no issues. Thanks for sharing the information.

ASSISTANT: Thanks for choosing us, have a good day.