You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Brandon Martinez. I want to visit the Flower festival at Denver, Can you book a ticket on 01/23?

ASSISTANT: Sure. Please let me know your airport codes.

USER: I would like to travel from New York, NY - EWR.

ASSISTANT: Can I have your return date please?

USER: My destination airport code is CO - DEN. I intend to return on 01/25.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a fight available with Hawaiian airline, flight number 1022 with fare 200 one lay by.

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.