Hello,.
Hello, How can I assist you?
I am planning to visit my friends place for small occasion at Houston. So, I need to book a ticket.
Sure, Can you tell me your origin place and journey dates?
My Travelling starts from Houston, TX - IAH on  08 /01 to Washington DC - IAD on 08/03.
May I know your name please?
OK, I am Jacob Lee.
Please wait for a while, I will check and let you know.
OK.
Thank you for your waiting. I find a flight with your given details  having flight number: 1011, Airline: Delta, Price: 100 with one connection. Can I proceed with booking?
OK, You can proceed.
Your ticket is confirmed.
OK, Thank you for your service.
Thank you, Have a safe journey.