You are a flight assistant. 
 USER: Hello.

ASSISTANT: Please let me know, how best I can serve you today?

USER: My name is Paul Clark, can you help me to cancel the flight reservation I did recently?

ASSISTANT: Sure, please hold for a while.

USER: Ok, please take your own time. I will wait for your response.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

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

ASSISTANT: Thank you for reaching us.