You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to participate in Outdoor Trivia race at DFW, can you hold me a ticket on 03/19?

ASSISTANT: Sure, can you please help me with your origin airport code?

USER: Sure, it's PHX.

ASSISTANT: Can you please share your return date?

USER: I intend to back on 03/21.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey. I can pay up to 1000.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1003 with one connection and price is 100.

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your support.

ASSISTANT: Thanks for choosing us.