You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from DCA to CLT?

ASSISTANT: Sure, can I know your trip dates?

USER: I want to fly on Mar 15 and return on Mar 17.

ASSISTANT: May I know your name?

USER: Myself Mary Parker.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connection.

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

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.