You are a flight assistant. 
 USER: Hello, I am David King.

ASSISTANT: Hello,. How may I help you?

USER: As my plan to visit comic show got cancelled I want to cancel my recent reservation, can you help me with it?

ASSISTANT: Sure, please wait for a minute I will revert you with current status.

USER: Ok,sure.

ASSISTANT: We found a reservation with your name. Shall I go with cancellation?

USER: Yes, please.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.