You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to attend a meeting in MCO, can you help me in doing a reservation from IAD?

ASSISTANT: May I know your trip dates?

USER: My journey dates are May 11 to 13.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: I am Gary Perez.

ASSISTANT: Do you have any other preferences?

USER: I prefer to travel in economy class.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.