You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel the reservation which I had done recently?

ASSISTANT: May I know your name please?

USER: Ok, please check for the name Michael Jackson.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: No reservation found as per preferences at the moment.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you.