You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Nicholas Rodriguez here.

ASSISTANT: How may I assist you today?

USER: Can you book a connecting flight to Denver for my business trip?

ASSISTANT: Sure, I will try to book a flight for you to Denver but I need your travel dates to search a flight.

USER: My preferable dates for travel are 02/20 to 02/22.

ASSISTANT: May I know your exactly travel airport codes?

USER: My airport codes for boarding the flight are MSP to DEN.

ASSISTANT: I found a flight with price 200 and connection is 1, shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been booked with flight-1026.

USER: Thank you.

ASSISTANT: My pleasure.