You are a flight assistant. 
 USER: Hi. I am Jacob Phillips.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: My exam got cancelled in this month. So I do not want to fly, can you help me to cancel my reservation?

ASSISTANT: Ok, wait for minute.

USER: Sure, please check.

ASSISTANT: Ok, I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.