You are a flight assistant. 
 USER: Hello. Myself Gregory Robinson.

ASSISTANT: Hello, how may I guide you?

USER: I want to visit Minneapolis & St. Paul to attend a business meeting, can you please book a ticket from IAD?

ASSISTANT: Sure, can I know the details of travel?

USER: The destination airport code is MSP. My preferable dates are from 10/25 to 10/27.

ASSISTANT: Frontier airlines flight 1022 matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your response.

ASSISTANT: Thank you, have a safe flight.