You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome friendly airline agency. How may I assist you?

USER: I am planning to take my children to Como Park Zoo and Conservatory in Minneapolis & St. Paul. So I am looking to book a flight from Denver. Will you find a flight for me in this route?

ASSISTANT: Ok, may I know your trip dates.

USER: I want to start my journey on 03/10 and I need to come back by 03/12.

ASSISTANT: May I know your travel codes?

USER: My travelling airport codes are from DEN to MSP.

ASSISTANT: I have searched a flight for you with price 100 and UA as airlines.

USER: Ok, please reserve my ticket.

ASSISTANT: May I know your name?

USER: My name is Gary Allen.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks a lot.

ASSISTANT: Welcome.