You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Can you please book a flight ticket from JFK to LGA for attend an interview?

ASSISTANT: Sure, I am glad to help you with the ticket booking. Can I have your travel dates please?

USER: My travelling dates are from Sept 21 to Sept 23.

ASSISTANT: Ok, do you need a direct flight or a connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Ok, please share your preferences if any.

USER: I want to return in morning time.

ASSISTANT: Ok, please tell me your good name.

USER: My name is David Lewis.

ASSISTANT: Ok, please be on hold for a minute.

USER: Sure.

ASSISTANT: There is a direct flight with the ticket fare of 600 which is a business class flight, this flight returns in the morning time. Can I reserve the ticket?

USER: Ok, you can proceed with booking.

ASSISTANT: I have reserved your ticket with the flight-1008 in the United Airlines, this flight departs in the morning time. Have a nice journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.