You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christine Harris here.

ASSISTANT: How can I assist you?

USER: I want to attend a Seminar in Oakland. Can you please help me for booking the flight ticket?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 01/24 to 01/26.

ASSISTANT: Please mention your travelling airport codes?

USER: My airport codes are from IAH to OAK.

ASSISTANT: Here is a single connection flight with fare 900 and 1026 as flight number. Shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.