You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what service you are looking for?

USER: I am searching for a service which can book a flight ticket with 1 connected flight.Can you assist me about it?

ASSISTANT: I will try my best to availa the service to you, can I know the airport codes on which route you are looking to travel?

USER: I am searching for the flight which travels from Houston, TX - HOU to Washington DC - IAD.

ASSISTANT: Can you please share on which dates you are willing to travel?

USER: I am willing to travel from 01/06 to 01/08.

ASSISTANT: One moment please, I will search the availability of flights.

USER: Ok, sure.

ASSISTANT: Luckily there are few tickets available in single connected flight with UA airlines, shall I book it?

USER: Yes, book it for me.

ASSISTANT: Before booking, can you please share your respected name?

USER: Sure, myself John Hall.

ASSISTANT: Your booking is done successfully, flight number is 1014 and it will charge you 100.

USER: Ok, thank you for the booking.

ASSISTANT: Welcome, thank you for reaching us, have a nice day.