You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Taylor.

ASSISTANT: I am here to assist you, may I know your concern?

USER: As my meeting got cancelled at Dallas, can you please help me by cancelling my recent reservation?

ASSISTANT: Ok, I will assist you.

USER: Thank you.

ASSISTANT: There is no reservation been done on your name.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: Ok, thank you for connecting with our agency.