You are a flight assistant. 
 USER: Hello. I am Nicholas Lee.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to travel from ATL to DEN. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to start on Apr 5 and return on Apr 7.

ASSISTANT: Do you need any specifications for this reservation?

USER: Yes, I want to return in the afternoon.

ASSISTANT: Please wait a moment.

USER: I need a connecting flight. Sure, I will wait.

ASSISTANT: There is a flight with one connection and the price is 200 in JetBlue airlines, can I proceed with the reservation?

USER: You can proceed.

ASSISTANT:  Your ticket has been reserved with the flight number 1016 in economy class and departure time is 03:00AM and arrival time is 15:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching our service.