You are a flight assistant. 
 USER: Hi. Karen Thompson here.

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

USER: I would like to book a ticket from EWR to DEN, can you please help me with that?

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

USER: The travel dates are from 10/15 to 10/17.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want a direct flight.

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

USER: Ok.

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

USER: Please proceed.

ASSISTANT: Your booking is confirmed with flight number 1004.

USER: Thank you.

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