You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Linda Allen. Can you please help me to reserve a flight ticket from Denver-DEN to Chicago-ORD?

ASSISTANT: Ok, please share your dates of travel.

USER: Thank you. I want to start my journey on Nov/03 and I want to return back on Nov/05.

ASSISTANT: There is a direct flight-1015 in economy class, shall I proceed?

USER: Ok, please proceed with the ticket booking.

ASSISTANT: Ok, your reservation has been confirmed with Frontier airlines.

USER: Thank you so much for your help in booking a flight ticket.

ASSISTANT: Thanks for choosing us.