You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Margaret Young. Please book me a flight ticket to MCO from MSP as I have an emergency case to deal with.

ASSISTANT: Ok, may I know your depart and arrival timings?

USER: Sure, I want to depart on Dec 29 and intend to return on Dec 31.

ASSISTANT: Ok, do you have any requirements?

USER: Yes, I need a direct flight having depart time in the morning.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights available in this route.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for connecting with us.