You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Elizabeth Edwards. Owing to an emergency, I would like to cancel my reservation.

ASSISTANT: Ok, wait for a minute Edwards.

USER: Ok.

ASSISTANT: Sorry, Edwards no reservation found on your name.

USER: It's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.