You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christopher Martinez.

ASSISTANT: How may I guide you today?

USER: I want to book a flight ticket from DEN to LAS. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are from 04/18 to 04/20.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any connection in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1009 and connection is 1. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.