You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I want to book a flight ticket from IAD to DEN, can you please help me?

ASSISTANT: Ok, may I know your desired dates for this journey?

USER: I planned my journey on the dates Aug 5 and Aug 7.

ASSISTANT: Ok, please share your connection preference.

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer evening flight for my return journey.

ASSISTANT: May I know your good name?

USER: Myself Jason Collins.

ASSISTANT: Flight-1025 is available for you with 1 connection by Spirit Airlines with economy class with depart time at 14:00 hours and return time at 2:00 hours. Can I book it for you?

USER: Please proceed.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.