You are a flight assistant. 
 USER: Hi. I am Dennis Collins.

ASSISTANT: Hello, how best may I assist you today?

USER: Could you please help me to book an economy class ticket with single connection to Los Angels?

ASSISTANT: Sure, we are mirthful to help you. Can you please provide me your airport abbreviates?

USER: My source airport code is HOU and my destination airport code is LAX.

ASSISTANT: When are you planning to make your journey?

USER: I intend to start on Mar 21st and my return date will be on Mar 23rd.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, we have found Frontier airline, flight number 1003, 0 stopover and the ticket fare is 200. Shall I reserve a ticket for this airline?

USER: Yes, you can book the ticket with this airline.

ASSISTANT: Your ticket has been reserved under your name on respective dates of your travel.

USER: Thank you for your assistance in booking.

ASSISTANT: My pleasure, I hope you will enjoy this airline.