You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Brian Hill here. I want to travel for a trip, can you please help me to book a ticket from CA-OAK to DC-IAD?

ASSISTANT: Ok, on which dates you want to travel?

USER: Ok, my dates of travel is from 09/29 to 10/01. Please make sure that the connections limit is 1.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1021 in AA airline matching your details with price 300. Shall I proceed?

USER: Please proceed with this ticket.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a nice flight.