You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: I am Richard Garcia. Can you please help me in booking a flight ticket from CLT to DEN?

ASSISTANT: Sure, I will aid you with that. Could you please mention your preferable travel dates?

USER: I want to fly on June 17 and return on June 19.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would like to return in the morning time.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: I am comfortable with any flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Frontier airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1003 and this flight arrival time is 3:00 AM.

USER: Thank you.

ASSISTANT: You are welcome Richard Garcia.