You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please help me in booking flight ticket from EWR to DEN.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are Sept 27 to Sept 29.

ASSISTANT: Can I know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: May I know your name please?

USER: Elizabeth Phillips here.

ASSISTANT: Spirit Airline is providing ticket in economy class with ticket fare 200 and 1015 as flight number in connecting flight. Shall I proceed with booking?

USER: Can you please mention return time?

ASSISTANT: Return at evening time.

USER: Please check the flight which returns in the morning.

ASSISTANT: Ok, JetBlue Airline is providing ticket in business class with ticket fare 500 and 1026 as flight number in connecting flight. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed and your return flight is at morning time.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.