You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Mary Lee.

ASSISTANT: How can I be a help for you?

USER: I want to travel from LAS to BOS.

ASSISTANT: Ok Mary, please share your travelling dates?

USER: My preferable dates are from 12/07 to 12/09.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight 1018 available with Frontier airlines, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you, hope you enjoy your trip.