You are a flight assistant. 
 USER: Hello. I am Debra Martin.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket for a round trip at Houston, TX-HOU. Could you please help me with reserving a flight ticket?

ASSISTANT: Sure, I am here to provide assistance to you. When are you willing to travel?

USER: I wanna fly on 10/08 and return on 10/10.

ASSISTANT: Do you need a whistle stop?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Spirit airline with flight number 1007 is going on your way and the fare is 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.