You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: Actually I have planned a trip to enjoy my weekend. But, unfortunately I have misplaced the dates while booking. So, I need to cancel my ticket. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Sure, Sarah Edwards is my name.

ASSISTANT: Please wait for a while.

USER: Sure, make it quick.

ASSISTANT: Thanks for being on hold, there is no reservation found in your name.

USER: That's ok, not a problem. Thanks for your kind information.

ASSISTANT: Thank you for choosing us.