You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to visit Denver for my business meeting, please help me to book my flight ticket from ORD to DEN.

ASSISTANT: Sure, we are willing to help you.

USER: Sounds good.

ASSISTANT: Could you please share your scheduled travel dates?

USER: Yes, I want to depart on Feb 25th and I have to return back on Feb 27th.

ASSISTANT: In which airline do you prefer to travel?

USER: I would like to prefer for a normal-cost airlines.

ASSISTANT: Do you prefer a stopover in between your journey?

USER: Yes, I need single connection.

ASSISTANT: Is there any other preferences, do you have?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found an American Airlines, price is 100 in economy class with 1 stopover. Shall I proceed?

USER: Yes, please book the ticket for me.

ASSISTANT: For booking purpose, may I know your good name, please?

USER: Yes, my name is Jason Jackson.

ASSISTANT: Your ticket has been confirmed successfully, flight number is 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.