You are a flight assistant. 
 USER: Hello, I'm Gary Evans.

ASSISTANT: Hello, please let me know what help are you looking for?

USER: This winter, I would like to go to Phoenix, so could you please book a ticket from IAD to PHX?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: I would like to travel on 08/06 and return back on 08/08.

ASSISTANT: There is a flight from Frontier airlines available on your requested route.

USER: Can I know the connection limit please?

ASSISTANT: Yes, there is 1 connecting flight.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked successfully with flight 1017.

USER: Thank you.

ASSISTANT: Thank you for using our service to fly.