You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I oblige you?

USER: Please book a ticket from DEN to LAS.

ASSISTANT: Sure, may I know your desired travel dates?

USER: Travel dates are Jan 20 and Jan 22.

ASSISTANT: May I know your name?

USER: I am Edward Lewis.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight with 1 connection in Spirit airlines and price is 100. Can I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket is booked with the flight 1015. Thank you for opting us.