You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I am Margaret Campbell. I need to attend a conference at Denver. Help me with booking the flight ticket.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 03/17 to 03/19.

ASSISTANT: Could you please let me know your airport codes?

USER: My origin airport is Los Angeles, CA- LAX and dest airport is Denver, CO- DEN.

ASSISTANT: Do you have any other specifications?

USER: I need a connection with with price limit 5000.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for being patient. There is a airline that matches your requirement. Airline:Spirit,flight number:1013 and the price is 100.

USER: Please go with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for the reservation.

ASSISTANT: Thank you for reaching us.