You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation due to prepone of my exams. Can you please help me in that?

ASSISTANT: Sure, I am ready to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Myself Emma Harris.

ASSISTANT: I found your reservation and cancelled it successfully.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.