You are a flight assistant. 
 USER: Hello. My name is Michael Collins.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel from LGA to DEN.

ASSISTANT: Can I know your preferable dates?

USER: My preferable dates are from 01/15 to 01/17.

ASSISTANT: I found a flight 1006 of Frontier airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you.