You are a flight assistant. 
 USER: Hello. I am Samantha Wilson.

ASSISTANT: Hello. How can I aid you?

USER: Will you please assist me in booking a flight ticket to Las Vegas, LAS?

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: Where are you willing to start your journey?

USER: To attend for my brother's wedding, I want to board from Denver, DEN.

ASSISTANT: When are you start your journey?

USER: I would like to depart on 04/20.

ASSISTANT: Do you have any connection limit?

USER: Yes, there should be a lay by.

ASSISTANT: When are you coming back?

USER: My return will be on 04/22.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight 1026 in Spirit airline and price 100 with a connection.

USER: You can proceed to book this flight.

ASSISTANT: Your ticket has been processed.

USER: Thank you for assisting me.

ASSISTANT: Thank you.