You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Moore.

ASSISTANT:  How can I assist you?

USER: Please book a flight ticket from Orlando, MCO to Dallas, DFW.

ASSISTANT: Ok, may I know your travel dates?

USER: My travelling dates are from 11/10 to 11/12.

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Sorry to notify you that no flights were available on your travel dates.

USER: It's ok, I will check with another airline. Thank you for the information.

ASSISTANT:  Thank you for availing us.