You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I just want to cancel my recent reservation, due to some issues my interview has been cancelled. Can you help me with cancellation?

ASSISTANT: Sure, I will help you to cancel your reservation. May I know your good name?

USER: Sure, you can check my reservation on the name of Christine Lee.

ASSISTANT: Ok, please wait for a moment while I check for the reservation.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on name of Christine Lee in our system data.

USER: Ok, Thanks for your assistance.

ASSISTANT: Thank you for reaching us, have a nice day ahead.