You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me to book a flight ticket from OAK to IAD?

ASSISTANT: Sure, may I know the planned travel dates?

USER: I planned my trip on the dates Feb 4 and Feb 6.

ASSISTANT: Please provide me the name.

USER: Myself Robert Brown.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1002 in Delta Airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.