You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking to make a flight ticket reservation to reach Orlando, can you please find a flight from San Francisco?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. I am willing to travel on the dates of Feb 24 and Feb 26.

ASSISTANT: Please provide your airport codes.

USER: The source and destination airport codes are SFO and MCO.

ASSISTANT: Do you have any specifications about flight connections?

USER: I would like to travel in a single connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No but I need a flight which is returning in the afternoon time.

ASSISTANT: Please mention your name.

USER: My name is Karen Moore.

ASSISTANT: There is no flights found under your preferable details.

USER: It's ok, not an issue with that. Anyways thank you for your help.

ASSISTANT: Welcome, have a great day.