You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Betty Phillips. I am looking for a flight from MCO to DFW, can you help me over that?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my trip dates are from Dec 06 to 08.

ASSISTANT: Do you have any requirements?

USER: I want to return in the morning time.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for opting us.