You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need you to book a flight ticket. Please help me.

ASSISTANT: May I know on what dates would you like to travel?

USER: April 26 and 28 are my planned are my planned travelling dates.

ASSISTANT: Can you please share your airport codes?

USER: LGA and DTW are the respective in and out airport codes.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements to be met?

USER: Nothing much to state.

ASSISTANT: Can I have your name please?

USER: Kathleen Mitchell here.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for reaching us.