You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Kevin Lee, I am planning a trip for my sister's marriage, from IAD to LAX can you find a ticket for me?

ASSISTANT: Can I know your trip dates?

USER: Yes, my travelling dates are 02/17 to 02/19.

ASSISTANT: Give me a minute.

USER: OK, sure.

ASSISTANT: There is a flight 1000 of Southwest airline with a price of 100. Shall I book the ticket?

USER: Yes, you can proceed but I want single connection limit.

ASSISTANT: Yes, the flight is with 1 connection. Give me a second, I will book your ticket.

USER: OK, sure.

ASSISTANT: Your ticket is booked. Have a safe journey.

USER: Thank you.