Hi.
user
Hello.
assistant
I am Elizabeth Lopez.
user
 How can I assist you?
assistant
I want to fly from Washington, IAD to Los Angeles, LAX. Can you help me in booking with a connecting flight?
user
May I know your travel dates?
assistant
My travelling dates are from 02/21 to 02/23.
user
Do you have any preference?
assistant
I need a flight ticket under the range of 5000.
user
 We found a connecting flight  UA with flight number 1000 and fare is 200. Shall I proceed?
assistant
Ok, Proceed.
user
 Your booking is confirmed.
assistant
Thank you.
user
 Thank you for availing us.
assistant