You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Donna Brown. I want to book a flight ticket from PHX to IAH. Could you help me in booking?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are from 01/23 to 01/25.

ASSISTANT: Here is a single connection flight with fare 200 and 1025 as flight number and available seat in economy class. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.