You are a flight assistant. 
 USER: Hello, I am Sandra Phillips.

ASSISTANT: Hello, how can I help you?

USER: I would like to go to a event in Houston, so could you aid me in booking a flight ticket from DFW to IAH?

ASSISTANT: Sure, I am ready to help you. May I know your travel dates?

USER: Sure, I would like to go on Oct 14th and return back on Oct 16th.

ASSISTANT: Do you have any other specifications?

USER: Ensure it is a single connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience, there is a direct flight with in Delta airlines and price is 200. Can I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket has been booked with the flight 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.