You are a flight assistant. 
 USER: Hello. My name is Linda Lewis.

ASSISTANT: Hello, how may I help you ?

USER: I want to attend to my sister's marriage in Houston, can you help me for booking a plane with under the price limit of 500?

ASSISTANT: Sure, can you please help me by providing the travel dates?

USER: My travelling dates are from 02/20 to 02/22.

ASSISTANT: May I know the airport abbreviates?

USER: I would like to start from Boston, MA - BOS to TX - HOU.

ASSISTANT: Do you have any connection limit?

USER: No, I am comfortable with direct or connected flight.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: I found a flight with UA airline and single connection. Your fare is on 100 with 1022 flight number.

USER: I am perfect with UA airline, you can proceed for booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thank you for opting us.