You are a flight assistant. 
 USER: Hello, I am Steven Martinez.

ASSISTANT: Hello, how can I support you for the day?

USER: I have an appointment for auditions at Washington, DC - DCA. So can you help me with booking a flight ticket from Houston, TX - IAH?

ASSISTANT: Sure, I am here to help you. Can you please help me with your travelling dates?

USER: 10/13 and 10/15 are my travelling dates.

ASSISTANT: Do you have any other specification?

USER: Yes, I need a halt in between my journey. 500 is my price limit.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: We found 1004 Spirit airlines with a single halt matches your price.

USER: Please proceed for booking.

ASSISTANT: Sure. Your, booking has been conformed with 1004 Spirit airlines.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us have a great day.