You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: James White here.

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

USER: Sure.

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

USER: Thank you for your service.

ASSISTANT: Thank you for utilising our service.