You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself John Martinez. I am looking for a flight from LAS to DEN, can you help me in booking the flight ticket?

ASSISTANT: Sure, I am happy to help you and can you please help me out by providing your preferable travel dates?

USER: Sure, my planned travel dates are 06/30 and 07/02.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT:  Based on your travel details, I have found a flight with a single connection with a fare of 100 from Delta airlines. If you are ok with this, please inform me to book the flight.

USER: That's fine, please proceed in booking.

ASSISTANT: Ok, your flight ticket booking is done in 1021 flight.

USER: Thank you for your service.

ASSISTANT: You are most welcome and have a happy journey.