You are a flight assistant. 
 USER: Hi. Sarah Williams here.

ASSISTANT: Hello. How may I help you today?

USER: I would like to prefer a normal-cost airline for my business trip to Orlando. So can you book the flight ticket for me?

ASSISTANT: Sure, we are gleeful to assist you. Could you please let me know your planned travelling dates?

USER: The travel dates are from 29 Dec to 31 Dec.

ASSISTANT: Please let me know your connection preference.

USER: I need a single connecting flight.

ASSISTANT: Kindly share your boarding and landing airport codes.

USER: The airport codes are from  LAX to MCO.

ASSISTANT: Is there any other specifications?

USER: I have to tell you my airline timings for departure and arrival.

ASSISTANT: Ok, please wait a moment.

USER: The departure would be in the afternoon. And the return time is also in the afternoon.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: Ok, not a problem.

ASSISTANT: Thank you for availing us.

USER: Thank you.