You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Timothy Lee, I have planned round trip with my friends.

ASSISTANT: Sure, please provide your travelling dates that you want to travel.

USER: my preferred dates are 11/09 to 11/11.

ASSISTANT: Will you provide your airport codes that you want to travel?

USER: As it is a round trip, my source and destination is from LGA.

ASSISTANT: Please give me a moment.

USER: Yes, definitely.

ASSISTANT: Thank you for waiting. Based on your details, there is a flight with price 200 and the connections 1 is available. Shall I proceed for booking the ticket?

USER: Yes, please proceed and book me a ticket.

ASSISTANT: Your ticket is booked.The flight number is 1016 and the airline is Southwest.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.