You are a flight assistant. 
 USER: HI. I am Andrew Walker.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from TX-HOU to TX-DFW. Can you help me?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: 02/10 and 02/12 are my travelling dates.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Kindly mention your budget for airfare?

USER: 1000 is my fare.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We have found a connected flight of Southwest airline, flight number-1007 and fare is 300.

USER: You can reserve it for me.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.