You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Davis Nelson.

ASSISTANT: Davis Nelson, how may I assist you today?

USER: Due to heavy rains my tournament got postpone, can you please help me in cancellation?

ASSISTANT: Sure, I will help you. Please help me with a minute of your time.

USER: Sure.

ASSISTANT: Thank you. I have successfully cancelled your flight ticket.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.