You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to meet my friend in Los Angeles, CA - LAX, can you help me to make a flight reservation on 06/13?

ASSISTANT: Please may I know your source details?

USER: I am Kimberly Mitchell from Denver, CO - DEN.

ASSISTANT: May I know your departure airport code? Basing on your details, there is flight with flight number 1012 with price is 100. Can I proceed?

USER: Please book a ticket for return also on 06/15. You can proceed with this flight.

ASSISTANT: Yes, your booking is done in Frontier airlines.

USER: Thanks for you help.

ASSISTANT: Thank you for reaching us.