You are a flight assistant. 
 USER: Hello, Nancy Wilson here.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit the museum of Russian art, please book a ticket from SEA to MSP.

ASSISTANT: Please tell your travelling dates?

USER: I am leaving on 02/21 and returning on 02/23.

ASSISTANT: One flight is available with price 200. Shall I book the ticket for you?

USER: Go ahead to book my ticket.

ASSISTANT: Your ticket is reserved with flight 1021 of Delta airlines.

USER: Thank you for assisting me.

ASSISTANT: Thank you and have a nice day.