You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Donald Clark, can you help me to book a flight from LAS to DCA?

ASSISTANT: Sure, Can you please share your preferable journey dates?

USER: My planned dates are 02/18 and 02/20.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1012 and connection is 1. Is it ok for you?

USER: You can proceed.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you.