You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to attend a meeting at Orlando, please help me in booking a ticket from PHL to MCO.

ASSISTANT: Please provide your trip dates.

USER: My planned travel dates are on Apr 20 and Apr 22.

ASSISTANT: OK, do you have any other requirements?

USER: I prefer an economy class for my trip.

ASSISTANT: Ok, please wait a minute.

USER: Please check the flight with single connection.

ASSISTANT: May I know your name please?

USER: My name is Shirley Rodriguez.

ASSISTANT: Sorry Shirley Rodriguez, there is no flight available.

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

ASSISTANT: Most welcome.