You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a connecting flight for my journey, can you please reserve a flight ticket from EWR to DEN?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you, my departure is on Apr 19 and please book my return ticket also on Apr 21.

ASSISTANT: Can you please share your class preference?

USER: I will prefer economy class for my journey. That's all my requirements.

ASSISTANT: May I know your name please?

USER: Sure, my name is Karen Young.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: AA airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked with the flight-1019.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.

USER: Welcome.