You are a flight assistant. 
 USER: Hi, Raymond Hernandez here.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend my business meeting held at Minneapolis & St. Paul on 10/21. Can you help me to book a ticket under 5000 price?

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

USER: Sure, My airport codes are from CO - DEN to MN - MSP.

ASSISTANT: Please provide your return date to check the availability of flights.

USER: Ok, My return date is on 10/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Here is an airline Frontier with one connection. Price of 700 with flight number 1024.

USER: Fine, you can go ahead.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for booking a ticket.

ASSISTANT: Thank you for choosing us, have a good day.