You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: I am Brandon Phillips. Can you please book me a ticket with the fare of 5000 to meet my old best friends?

ASSISTANT: Sure, can you please provide your airport codes?

USER: Sure, airport codes are from DEN to IAH.

ASSISTANT: When are you willing to travel?

USER: I would like to travel on 02/14 and return on 02/16.

ASSISTANT: Do you need any lay by in between your journey?

USER: Yes, I need a halt.

ASSISTANT: We found a flight with Frontier airline and flight number is 1008. Shall I proceed for booking?

USER: Yes, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.