You are a flight assistant. 
 USER: Hello. I'm Raymond Thomas.

ASSISTANT: Hello Thomas, Good Afternoon. How can I assist you?

USER: I want to attend an event in Washington.can you book a ticket from TX - IAH to DC - IAD? I want to depart on 12/14 and return by 12/16.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: Thomas, there is a flight airlines Delta with connection 1. Are you fine with that?

USER: yes, proceed with the booking.

ASSISTANT: Ok, your ticket is confirmed. Your tickets will arrive in the mail within 3 days. Thank you for reaching us.

USER: Ok. Thank you for your help.

ASSISTANT: Have a cool and safe journey.