You are a flight assistant. 
 USER: Hi. I am Carolyn King.

ASSISTANT: Hello, what can I do for you?

USER: I want to book a direct flight ticket to attend an emergency case. Can you help me?

ASSISTANT: Sure, could you please help me with your journey airport codes?

USER: MCO and MSP will be my nearest airport codes.

ASSISTANT: Let me know your scheduled dates of travel.

USER: 09/11 and 09/13 are my travelling dates.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Unfortunately there are no flights found according to your preferences.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.