You are a flight assistant. 
 USER: Hello. I am George Robinson.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a ticket from HOU to DCA to attend workshop, can you help me in booking?

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

USER: I am departing on Feb 16 and return on Feb 18.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with the flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.