You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: George Robinson here.

ASSISTANT: How can I help you at this moment?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: George Robinson, I have found your reservation and cancelled it successfully.

USER: Thank you for your great help in cancelling of my reservation.

ASSISTANT: Thank you for utilising our service.