Hello,.
user
Hello, How can I assist you?
assistant
I am planning to visit my friends place for small occasion at Houston. So, I need to book a ticket.
user
Sure, Can you tell me your origin place and journey dates?
assistant
My Travelling starts from Houston, TX - IAH on  08 /01 to Washington DC - IAD on 08/03.
user
May I know your name please?
assistant
OK, I am Jacob Lee.
user
Please wait for a while, I will check and let you know.
assistant
OK.
user
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?
assistant
OK, You can proceed.
user
Your ticket is confirmed.
assistant
OK, Thank you for your service.
user
Thank you, Have a safe journey.
assistant