You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Taylor.

ASSISTANT: How may I assist you?

USER: I want to book a ticket from EWR to DTW to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: I am departing on 12/14 and return on 12/16.

ASSISTANT: AA airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.