You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: Could you help me in booking a flight ticket from DEN to BOS?

ASSISTANT: Sure, I am euphoric to help you with booking. Can you please forward your journey dates that you wish to travel?

USER: I will start on July 21, return on July 23.

ASSISTANT: Do you need any flag stop in between journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Deborah Collins.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

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 Delta airline, flight number-1017, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Ok, proceed to booking.

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

USER: Thank you.

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