You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend a family event in Denver, can you please make a reservation from IAD to DEN?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My journey start on June 1st and arrival on June 3rd.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer a connecting flight in my journey.

ASSISTANT: May I know your good name please?

USER: My name is Amy Rodriguez.

ASSISTANT: Do you have any particular time for depart and return?

USER: No, I am comfortable to travel in any time.

ASSISTANT: We found Frontier airline with economy class and flight number is 1024 with arrival time is 12:00 hours and depart time is 2:00 hours.Shall I proceed for booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me in reservation process.

ASSISTANT: You are welcome.