You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Mark Thomas. I want to book a ticket from HOU to DTW, can you help me?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 01/26 and 01/28.

ASSISTANT: Here is a flight ticket with fare 400 and 1028 as flight number. Shall I proceed?

USER: You can book it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.