You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Anderson.

ASSISTANT: How can I aid you at this moment?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I will help you in cancelling your reservation.

USER: Thank you.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Joseph Anderson, I have found your reservation in our database and cancelled it successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for utilising our service.