You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I need to cancel my recent reservation.

ASSISTANT: Sure, Please mention your name.

USER: My name is Stephen Mitchell.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found on your name.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.