You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Michelle Harris here. I am a beautician, I have to inaugurate my beauty parlour at New York. So please book my ticket from Denver.

ASSISTANT: Sure, I am here to help you. Can I know your airport codes?

USER: My airport codes are DEN and LGA.

ASSISTANT: Ok, let me know your travelling dates to proceed further.

USER: My travel dates are 05/18 and 05/20.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We found a connecting flight from Frontier airlines with a fare of 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1010.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.