You are a flight assistant. 
 USER: Hi.

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

USER: Mary Harris here. Can you please help me in booking a ticket from DEN to PHL?

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

USER: Sure, my journey dates are 05/11 and 05/13.

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

USER: Sure, I'll wait.

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

USER: That's fine for me, please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1003.

USER: Thank you so much for booking.

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