You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Brenda Perez. Please book a flight ticket on dates 01/30 and 02/01.

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are HOU and DTW.

ASSISTANT: Can I know your halt limit?

USER: I need a halt in between the journey.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: We found Southwest airline, flight number as 1007 with the fare of 200. Can I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.