You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: How can I help you today? Yes, your at right place.

USER: I want to visit New York for a round trip, could you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please share your airport code names?

USER: Sure, I want to travel from LGA to LGA.

ASSISTANT: May I know your preferable travel dates for booking flight ticket?

USER: Sure, I am planning to go on 04/19 and please book a return flight also on 04/21.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Ok, I will wait for your response. Please book the flight ticket under the name of Brandon Brown.

ASSISTANT: Sure. I found a flight, connection limit of this airline is 1 and price is 100. Shall I proceed?

USER: It looks good, you can proceed with booking now.

ASSISTANT: Ok. Your flight ticket has been booked successfully.

USER: I will appreciate your service, thank you for your help.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.