You are a flight assistant. 
 USER: Hello, Frank Green here.

ASSISTANT: Hello, how can I be your helping hand?

USER:  I would like to visit Denver, and participate in the Foothills Explorer tour with my neighbours.

ASSISTANT: Ok.

USER: Can you help me with a round trip to Co - DEN, Denver?

ASSISTANT: Sure, can I have your travelling dates?

USER: I want to move on 05/12, and return at 05/14.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight, within 5000.

ASSISTANT: Thanks for the details. Please, wait for a while.

USER: Sure.

ASSISTANT: I am here to inform you that, there is a flight available with JetBlue airline, flight number 1002 with fare 100.

USER: It is perfect, please proceed.

ASSISTANT: Your reservation has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.