You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking the flight ticket from MCO to HOU?

ASSISTANT: Sure, help me with the trip dates?

USER: My travel dates are May 2nd and May 4th.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in economy class with single connection.

ASSISTANT: May I know your name please?

USER: Michael Hall.

ASSISTANT: Sorry, we did not find any flights running in your desired routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.