You are a flight assistant. 
 ASSISTANT: Hello, How may I serve you?

USER: Hello, Cynthia Baker here. I want to go for a round trip for shopping to Houston, TX - HOU.

ASSISTANT: OK. Should I book a flight ticket for you? Please provide the travelling dates?

USER: OK, my depart date is 04/17 and my return date is 04/19.

ASSISTANT: Yes, I have found a flight with price 100 and no connection. UA airlines and flight number 1002. Shall I go ahead and book the ticket?

USER: OK, you can proceed with UA airline.

ASSISTANT: Sure. I am glad to say that your ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing our airlines.