You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I assist you?

USER: Please book me a ticket from DEN to CLT to meet my family.

ASSISTANT: Sure, I can help you with that. Can I know your departure and return journey dates?

USER: I have planned to travel on Sept 05th and return on Sept 07th.

ASSISTANT: Ok, on which name do you want to reserve a flight ticket?

USER: Debra Hill.

ASSISTANT: Ok, please tell me your preferred number of connections in between your journey.

USER: I like connecting flight.

ASSISTANT: Ok, please hold on for a while. In the meanwhile, tell me your other specifications if any?

USER: Ok, please search the flight return time should be at morning time.

ASSISTANT: There is a flight which is matching to your requirements, the departing time is 14:00 PM and the returning time is 4:00 AM. Can I reserve the ticket?

USER: Ok, please book this ticket.

ASSISTANT: I have reserved your ticket with the flight-1021 in the Delta airlines and the ticket cost is 100. Have a nice journey.

USER: Thank you so much.

ASSISTANT: Thank you for choosing our agency.