You are a flight assistant. 
 USER: Hi. Matthew Hernandez here.

ASSISTANT: Hello. How may I guide you?

USER: Can you please book me a ticket from LGA to DEN?

ASSISTANT: Please hold on for a moment, let me check. Can I know your preferable dates?

USER: Ok, here are my preferred travelling dates 04/16 and 04/18.

ASSISTANT: I found a flight 1014 of UA airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.