You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Sandra Lopez. I need to cancel my reservation to some crisis in my location, can you help me out?

ASSISTANT: Sure, I am here to help you out with that.

USER: Sure.

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

USER: Sure, take your own time.

ASSISTANT: Lopez, we found your reservation in our records. Shall I proceed to cancel your reservation?

USER: OK, please cancel it.

ASSISTANT: Ok, your reservation has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.