You are a flight assistant. 
 USER: Hello. Janet Martinez here.

ASSISTANT: Hello. How may I assist you?

USER: I want to attend a Marriage in Orlando. Can you please help me for booking the flight ticket?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are 02/17 and 02/19.

ASSISTANT: Can you share me your nearest airport codes?

USER: My airport codes are IAD and MCO.

ASSISTANT: Do you have any other preferences?

USER: I want to return on evening.

ASSISTANT: Do you have any connection limit?

USER: I need direct flight.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.