You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Scott.

ASSISTANT: How may I assist you Lisa?

USER: I want to go Houston next month, can you please book a flight ticket for me?

ASSISTANT: Sure, I am oblige to help you. Can you please provide your travelling dates?

USER: Thank you. I want to take off on 11/15 and also confirm my return ticket also on 11/17.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from DFW and destination airport is HOU.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Spirit airlines. Shall I proceed with this?

USER: Please book this flight ticket for me.

ASSISTANT: Ok, your ticket has been done in flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.