You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Donald Hernandez, want to travel from DCA to IAH.

ASSISTANT: May I know your trip dates?

USER: My trip dates are from 11/16 to 11/18.

ASSISTANT: There is a flight available for you in UA airline with 1 connection. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.