You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Benjamin Lee.

ASSISTANT: Nice to meet you Benjamin.

USER: Can you help me to cancel my recent reservation because of some personal work?

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will wait for your response. Thank you for assisting me.

ASSISTANT: Sorry Benjamin, I have searched the database with your name. There are no reservations showing on your name.

USER: That's ok, thank you for providing me the information.

ASSISTANT: My pleasure.