You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Dorothy Robinson here. I would like to travel from MSP to The Washington Monument is an obelisk on the National Mall in Washington-IAD, can you help me to make a flight reservation for me?

ASSISTANT: Dorothy Robinson, please mention your travelling dates.

USER: Thank you for your help and quick response, my planned travelling dates are 07/07 and 07/09.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight available with one connection and the price is 100, can I proceed the booking?

USER: You can proceed with this flight because it's exactly matched with my criteria.

ASSISTANT: Your ticket has been booked with Sprint airlines and the flight number is 1011.

USER: Thanks for your help and great service.

ASSISTANT: Thank you for choosing our service, have a safe journey ahead.