You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I would like to visit Dallas for my project work, please help me to book my flight ticket from DEN to DFW.

ASSISTANT: Sure, I am here to help you out with that. May I know on which dates you are willing to travel?

USER: Sure, I have to depart on Nov 24th and return back on Nov 26th.

ASSISTANT: Do you need any layover in between journey?

USER: Yes, I need single connection.

ASSISTANT: May I know your good name please?

USER: My name is Samantha Adams.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer for a normal-cost airline.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a United airline, flight number-1015, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Yes, please book the ticket.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you so much.

ASSISTANT: Thank you for your presence. We hope to serve you again.