You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am here to assist you. May I know your name?

USER: My name is Lisa Moore.

ASSISTANT: Thanks, please wait for a while.

USER: Sure, I'll be online.

ASSISTANT: Sorry, there is no reservation found by your name in our database.

USER: That's ok, may be my friend has already cancelled it. Thank you anyways.

ASSISTANT: You are welcome and thank you for choosing us.