You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donald Baker here.

ASSISTANT: How can I assist you for today?

USER: I would like to go Oakland to attend a seminar, can you book a flight ticket from HOU to OAK?

ASSISTANT: Yes, I can do that for you. Can you tell me your dates of travel?

USER: Ok, my travelling dates are from 11/18 to 11/20. Please check for a connecting flight.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your booking.

ASSISTANT: Thank you for reaching our agency.