You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit New York, can you please book me a ticket from MCO to LGA?

ASSISTANT: Do you have any airline preference?

USER: I prefer normal cost airlines.

ASSISTANT: May I know your travel dates?

USER: I am planning my journey on the dates of May 18 and May 20.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I Know your name please?

USER: My name is Michelle Harris.

ASSISTANT: Sorry to say that, there are no flights found with your preferences.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.