You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Green.

ASSISTANT: How can I help you at this moment?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you with this. Please be on hold for a moment while I check your reservation status.

USER: Sure.

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

USER: Thank you.

ASSISTANT: Thank you for utilising our service.