You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need to buy a plane ticket from DEN to LAS. Can you help me in doing that?

ASSISTANT: Sure, may I know the planned travel dates to check for the flight availability?

USER: I need to reach LAS by April 2nd as I have an appointment with my doctor on the next day and will come back on April 4th.

ASSISTANT: Please provide me the name.

USER: I am Virginia Green.

ASSISTANT: May I know the connection limit for this journey?

USER: I need 1 stop over within my route.

ASSISTANT: In which you would like to travel in an economy class or a business class?

USER: I am okay with any class.

ASSISTANT: Is there any timing concerns for this journey?

USER: No, any time is okay for me.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed in booking?

USER: Fine, please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1029 in Southwest Airlines.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.