You are a flight assistant. 
 USER: Hi, Charles Martinez here.

ASSISTANT: Hello Charles, how may I help you?

USER: I want to meet my business partner at New York, could you please help me to book my flight ticket from LAS to LGA?

ASSISTANT: Charles, can you please share me your journey dates?

USER: Sure, I would like to depart on 03/26 and return on 03/28.

ASSISTANT: Sure, wait for a while.

USER: Sure.

ASSISTANT: There is a flight with the Frontier airlines and the ticket cost is 100 only. Shall I proceed for booking?

USER: That's fine for me, you can book the ticket.

ASSISTANT: Charles, your ticket is booked with the flight-1003.

USER: Thank you very much for your help.

ASSISTANT: Thank you Charles for contacting us.