Hello.
user
Hello. How may I help you?
assistant
I want to book a flight from IAD to OAK. Can you book a flight for me?
user
Sure, when are you planning to start and return on?
assistant
I will fly on July 18 and return on July 20.
user
 Do you have any class preference?
assistant
I prefer a connecting flight.
user
Is there any another specifications on your trip, so that I can arrange like that only.
assistant
No, I do not have any other requirement.
user
Ok, please share your name to proceed further.
assistant
My name is Kathleen King.
user
There is a connecting flight-1027, shall I proceed?
assistant
Please proceed with booking.
user
Ok, booking is done on AA airlines.
assistant
Thank you for helping me.
user
Welcome, have a safe trip.
assistant