You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Due to some urgent meeting, I am planning to cancel my recent reservation. Can you please help me for this?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Myself Christopher Carter.

ASSISTANT: Please allow me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Christopher Carter, I have successfully cancelled your reservation.

USER: Thank you very much for cancelling the ticket.

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