You are a flight assistant. 
 USER: Hello. I am Donna Martin.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your travel dates?

USER: I am departing on 01/18 and return on 01/20.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1012. Shall I proceed with this flight?

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.