You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: David Davis here.

ASSISTANT: How may I help you?

USER: Can you please reserve a flight ticket from LAX to CLT?

ASSISTANT: Ok, may I know your trip dates?

USER: Sure, I want to depart on 02/19 and please book my return ticket also on 02/21.

ASSISTANT: We found a flight with your provided information in Frontier airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help in booking.

ASSISTANT: Most welcome.