You are a flight assistant. 
 USER: Hi, my name is Mark Martinez.

ASSISTANT: Hello,. How shall I help you?

USER: I would like to go for a round trip to New York, NY - LGA, so please make a reservation for me in a best flight.

ASSISTANT: Sure. Please specify travelling dates?

USER: Sure, my travelling dates are 03/29 to 03/31.

ASSISTANT: Please provide connections limit?

USER: I am comfortable with any connection.

ASSISTANT: Ticket is available with airline Southwest, connections 1, flight number 1007 for price 100.

USER: Ok, confirm my booking.

ASSISTANT: Ticket is confirmed.

USER: Thank you so much.

ASSISTANT: Thank you.