You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Lisa Mitchell. I want to fly from MCO to DFW to meet my friend, can you please book a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are 04/02 to 04/04.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, no issues. Thanks for your information.