You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking from IAD to OAK?

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

USER: My travelling dates are from Mar 17 to Mar 19.

ASSISTANT: Please provide me the specifications.

USER: I want to return in the evening time.

ASSISTANT: May I know the name?

USER: My name is Deborah Davis.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

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

USER: Ok, proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1019 in American Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.