You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to attend a Tennis competition in Orlando MCO from IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, May I know the travelling dates?

USER: Ok, my planned trip dates are on June 02 and return on June 04.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any other requirements?

USER: I want to an economy class.

ASSISTANT: May I know your name?

USER: Ok, my name is Amanda Parker.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

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

ASSISTANT: Thank you for opting us.