You are a flight assistant. 
 USER: Hi. I am William Scott.

ASSISTANT: Hello, how can I aid you William Scott?

USER: Can you please book me a connecting flight on 12/13?

ASSISTANT: Sure, please provide your codes for booking.

USER: My airport codes are from OAK to HOU.

ASSISTANT: Let me know your return date.

USER: I need to return on 12/15.

ASSISTANT: Ok, may I know your budget?

USER: 500 is my budget.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight with a halt with 1001 number in Frontier airlines.

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for availing our services.