You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I need to cancel my reservation as my exams got postponed due to some technical issues, can you please help me out?

ASSISTANT: Sure, may I know your name to check the status and revert to you?

USER: Please check the reservation on the name of Christopher Martinez.

ASSISTANT: We found a reservation by your name. Shall I proceed to cancel it?

USER: Yes, please proceed to cancel it.

ASSISTANT: Your request for cancellation has been processed. Thank you for choosing us.

USER: Thank you for your kind service.