You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Christine Miller. Can you please help me in booking my flight ticket from EWR to DEN?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travelling dates are Apr 10 and Apr 12.

ASSISTANT: Do you prefer either connecting or direct flight?

USER: I need connecting flight.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class flight ticket.

ASSISTANT: Do you have any specifications?

USER: I need my depart flight in the morning time.

ASSISTANT: We found a connecting flight of fare 100 with airline Frontier and number is 1004. Can I proceed?

USER: May I know the depart time of this flight?

ASSISTANT: It is in the morning.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class and depart time is in the morning.

USER: Thank you for your help.

ASSISTANT: Thank you.