You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I have to attend an event at Washington-DC, can you please help me to book my flight ticket from DEN to IAD?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I would like to depart on 09/07 and return on 09/09.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure.

ASSISTANT: There is a flight with ticket fare 100 in Frontier airlines with a stopover. Is it ok for you?

USER: Yes, please book the ticket on the name of Daniel White.

ASSISTANT: Your booking is confirmed with flight number 1025.

USER: Thank you so much.

ASSISTANT: Thank you for contacting us, have a nice day.