You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

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

ASSISTANT: Sure, I am glad to assist you.

USER: Thank you.

ASSISTANT: On which dates have you planned to visit Charlotte and return back to Washington?

USER: I am departing on Aug 27 and return on Aug 29.

ASSISTANT: May I know your class preference?

USER: I prefer to travel in economy class flight.

ASSISTANT: Can I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other requirements ?

USER: I do not have any other requirements.

ASSISTANT: May I know your name for further process?

USER: My name is Deborah Baker.

ASSISTANT: There is a flight on Delta airline, flight number 1007 with the fare of 100. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.