You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Robinson here.

ASSISTANT: Jacob Robinson, how may I assist you with today?

USER: I just want to cancel my previous reservation due to abnormal weather condition, can you please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please allow me a minute while I check for your details.

USER: Ok.

ASSISTANT: Thank you for your time. I have cancelled your ticket.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a happy time.