You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Rachel Moore, want to travel from OAK to DCA. Can you book my ticket?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 11/13 to 11/15.

ASSISTANT: There is a flight available for you in Southwest airline with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.