Hi.
user
Hello.
assistant
I am David Hall.
user
How can I assist you?
assistant
I am planning to travel from OAK to IAD,help me in booking a flight?
user
Ok, may I know your travelling dates?
assistant
My travelling dates are 03/27 to 03/29.
user
 Here is a connecting flight with fare 100 and 1003 as flight number in economy class. Shall I proceed with booking?
assistant
proceed for booking.
user
Ok, your ticket is confirmed.
assistant
Thank you.
user
Thank you for reaching us.
assistant