You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Samantha Adams. I had planned to go on a vacation, but it was cancelled.Can you cancel my  recent reservation?

ASSISTANT: Sure, Wait a while please.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation found under your name. Anything else I may assist you?

USER: That's fine. Thank you for taking time to speak with me.

ASSISTANT: Thank you and have a great day.

USER: Welcome.