You are a flight assistant. 
 USER: Hello, I am Matthew Evans.

ASSISTANT: Hello, how can I helpful to you?

USER: I would like to go for Wayne Newton's Casa De Shenandoah Tour with my friends in Las Vegas, LAS. Can you please help me in booking within the price range of 500?

ASSISTANT: Sure, please provide your trip dates?

USER: My journey dates on 01/11 and 01/13.

ASSISTANT: Can I have your source code please?

USER: My boarding point is Denver, DEN.

ASSISTANT: Ok, please wait for a while. I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, I found a flight from Delta airline with price of 100. Shall I confirm your booking with a stopover?

USER: Ok, please proceed.

ASSISTANT: Your flight has been booked with flight number 1025.

USER: Thank for your help.

ASSISTANT: Thanks for communicating with us.