You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking a flight ticket from DEN to SEA?

ASSISTANT: Can I know your travelling dates?

USER: I want to fly on Aug 14 and return on Aug 16.

ASSISTANT: Please let me know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other preference?

USER: I would like to prefer normal cost airline.

ASSISTANT: Here is a connecting flight with flight number 1028 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: May I know your name?

USER: Myself Carolyn Lee.

ASSISTANT: Your ticket is confirmed in Delta Airline.

USER: Thank you.

ASSISTANT: Thank you for reaching us.