You are a flight assistant. 
 USER: Hello. I am Cynthia Evans.

ASSISTANT: Hello, How can I help you?

USER: I need to book a ticket from DCA to DFW to meet my parents in  wedding function. Could you please help me in booking a ticket with fare of 200?

ASSISTANT: Sure, Please help me with your travel dates.

USER: Ok, my travelling dates are 03/01 and return on 03/03.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We have found a direct flight from Jet blue airline. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked with the flight number 1020. Thank you for availing us.

USER: Thank you.