You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking my flight ticket from LGA to DEN?

ASSISTANT: sure, may I know your name please?

USER: Myself Michelle Turner.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are Apr 19 and 21.

ASSISTANT: may I know your class preference please?

USER: No, but I need normal cost airline.

ASSISTANT: May I know your connection limit please?

USER: I need direct flight.

ASSISTANT: Sorry Turner, there is no flight found as per your travelling dates.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.