You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Deborah Garcia, I want to book a flight ticket from NV-LAS to DC-IAD for attending my sister's marriage. My price limit is 500. Connections limit is one.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My departure day is 12/16, return day is 12/18.

ASSISTANT: Ok, hold on a moment I will be back.

USER: Ok.

ASSISTANT: Thanks for waiting, flight: 1029, airline: UA, price: 200 with single connection matches with your requested dates. Shall I proceed?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.