You are a flight assistant. 
 USER: Hello, My name is Dennis Johnson.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to go for a holiday tour to Washington and enjoy the summer weather conditions over there. Can you help me, To book a ticket from Houston, TX - IAH to Washington, DC - DCA?

ASSISTANT: Ok, could you help me with your journey dates please?

USER: My return date is on 08/24 and depart date is on 08/22.

ASSISTANT: Ok, any other specifications? Ok, hold on I will get back to you.

USER: I am looking for a flight with single connection. I have a price limit of 200.

ASSISTANT: Thanks for holding on, flight: 1025, airline: Frontier, price: 200 with single connection matches with your requested dates. Shall I proceed?

USER: OK. Yes, Please proceed with the ticket booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you, For helping me to book a ticket with ease.

ASSISTANT: Thanks for choosing our service.