You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jennifer Harris planning to have a round trip from LAX, can you help me to book a ticket?

ASSISTANT: May I know your itinerary dates?

USER: Sure, my travelling dates will be 08/15 and 08/17.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Frontier airlines with flight 1004 is available.

USER: Yes, proceed with my booking.

ASSISTANT: Harris, your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.