You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you help me in booking my flight ticket from DEN to ATL?

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

USER: My trip dates will be Feb 18th to Feb 20th.

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

USER: My return time should be in the morning.

ASSISTANT: May I know your name for further process?

USER: I am Helen Jones.

ASSISTANT: Do you have any another specifications?

USER: I prefer a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Hawaiian airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: You can proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1011.

USER: Thank you.

ASSISTANT: You are welcome Helen Jones.