You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket to DTW from LGA. Can you please help me for booking?

ASSISTANT: Sure, can I know your name?

USER: My name is Timothy Scott.

ASSISTANT: When are you going to travel?

USER: I am planning to go on April 19 and 21.

ASSISTANT: Do you have any other specifications?

USER: I need a connected flight.

ASSISTANT: Sorry, there are no flights available.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.