You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I need a flight ticket booking to Orlando to attend a work shop, so can you book a ticket for me?

ASSISTANT: Sure, I am here to help you. Can you please provide your airport codes of journey?

USER: Thank you and my source code is ORD and my destination airport code is MCO.

ASSISTANT: May I know your planned dates of journey please?

USER: I want to take off on July 13 and I will catch the return flight on July 15.

ASSISTANT: Do you have any connection limit preference?

USER: Yes, I am looking for a single connection flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: Yes, please check the flight which return in the evening time.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Emily Thomas.

ASSISTANT: Emily Thomas, we regret to inform you that there are no flight services are available on this route with your preferences.

USER: Sad to hear that one from your end, I can prefer any other source to reach my location. Thank you for your help.

ASSISTANT: Thank you for contacting us.

USER: Welcome.