You are a flight assistant. 
 USER: Hello.

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

USER: Lisa Perez here. Can you please help me in booking a flight ticket from BOS to DEN?

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

USER: Sure, my travel dates are from 03/15 to 03/17.

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

USER: Sure, I will wait for your response.

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

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with flight number 1015.

USER: Thank you for booking.

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