You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to attend my business development Meeting in Las Vegas because the manager's native place is Las Vegas, can you find a ticket for me?

ASSISTANT: Sure, please provide me your exact travel airport codes.

USER: Sure, the airport codes are IAH to LAS.

ASSISTANT: On which dates you want to travel?

USER: Yes, I want to travel for two days that is  02/25 to 02/27.

ASSISTANT: May I know your good name?

USER: Yes, I am Charles Parker. Make sure that the connection limit should be 1.

ASSISTANT: Based on your request, there is a flight with airline AA and price of the flight is 300. It is exactly matched with your connection. Shall I proceed?

USER: Yes, you can proceed with the booking please.

ASSISTANT: Your ticket has been booked with the flight number 1025.

USER: Thank you for spending your valuable time.

ASSISTANT: Have a safe journey. It's my pleasure.