You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jason Young.

ASSISTANT: Ok.

USER: I am planning to to travel on these days that is on June 01 and return on June 03. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: Ok, my airport codes are from Orlando MCO to DCA.

ASSISTANT: Ok, do you have  connection preference?

USER: I need a single connecting flight to travel.

ASSISTANT: Ok, can I know your class preference?

USER: No, but I want to depart in the afternoon time.

ASSISTANT: Do you have any other preferences?

USER: No, I don't have any other specifications.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thank  you for your time, sorry no flights found with your details.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.