You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Rachel Martin. I want to travel from IAD to HOU.

ASSISTANT: Ok, can I know your travelling dates?

USER: My dates are from 12/16 to 12/18.

ASSISTANT: Ok. I have found a flight for you with a price of 100 and a connection of 1. Can I proceed?

USER: Please book my tickets.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: The flight number is 1019 of Frontier airlines.

USER: Thanks.

ASSISTANT: Welcome.