You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Scott.

ASSISTANT: How may I render you today?

USER: I have planned a trip with my family friends to Orlando, can you please help me in searching a flight from Houston?

ASSISTANT: Sure, I'm glad to help you with that. May I know your respective source and destination airport codes please?

USER: Thank you. My source and destination airport codes are HOU and MCO.

ASSISTANT: Ok, can you please provide me your preferable travel dates?

USER: Ok, I want to start my journey on 03/18 and the returning back to Houston on 03/20.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Frontier airlines is having a direct flight on that route, is that ok for you?

USER: Can you please check once for a single connecting flight? If there is no flight, then proceed with ticket booking in the above mentioned flight.

ASSISTANT: Sorry to inform you that there are no single connected flights available for you on those dates. Shall I book the ticket in direct flight?

USER: Yes, please proceed with ticket booking with the direct flight.

ASSISTANT: I have successfully booked your ticket with flight-1005, have a safe journey.

USER: Thank you for searching the flight and booking the flight ticket.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.