You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to heavy rains my tournament got postpone, so I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please help me with your name to check the status of your reservation.

USER: I am Gregory Evans.

ASSISTANT: Gregory Evans, I have found your reservation. Can I proceed to cancel your reservation?

USER: Yes, you can cancel the ticket.

ASSISTANT: Ok, your reservation has been cancelled successfully.

USER: Thank you for your help in cancellation.

ASSISTANT: Thank you for approaching us.