You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is Betty Phillips.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.