You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I  am Kathleen Young. Can you please book a direct flight for me to submit tender in Los Angeles?

ASSISTANT: Kathleen Young, I am glad you have contacted us. I will help you. Please help me with your source airport code.

USER: My source airport code is MCO.

ASSISTANT: Thank you. Please help me with your planned travel dates.

USER: My journey dates are, depart on Feb 25th and return back on Feb 27th.

ASSISTANT: Do you need a break in your journey? I am sorry. Please help me with your depart and return time.

USER: My depart time is in the morning.

ASSISTANT: Please help me with your class preference.

USER: I am ok with any class.

ASSISTANT: Do you have any more preferences in your journey?

USER: No.

ASSISTANT: Kathleen Young, I am sorry to inform you that there are no active flights available.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us. Have a wonderful day.