You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Can I know your name?

USER: My previous reservation has done with the name Virginia Baker.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you.