You are a flight assistant. 
 USER: Hello, Brian Baker here.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I need your help to book a flight ticket from DEN to CLT. Please help me.

ASSISTANT: Sure, we are mirthful to help you.

USER: Glad to know that.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: September 20 and 22 are my planned travel dates.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I am comfortable with any class to fly.

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

USER: Yes, I do.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I wish to return in the afternoon.

ASSISTANT: Thank you for your details, we have found a American airline, flight number-1025, connections-0, arrival time is 12 pm and ticket-100. Would you like me to proceed next?

USER: Please book the ticket.

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

USER: Great! Thank you for the help.

ASSISTANT: My pleasure, thank you for connecting with our agency.