You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Matthew Thomas. I am planing to book a ticket from DEA to IAH. Can you please help me out?

ASSISTANT: Yes, can you share me your travel dates?

USER: I would like to travel on 07/21 and return back on 07/23.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 200 and 1 connecting flight.

USER: Yes, you can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.