You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service that you are looking from my side?

USER: I am Matthew Anderson.

ASSISTANT: Glad to meet you Anderson.

USER: I am planning to attend a urgent meeting in Denver.Can you help me out to book a ticket from JFK to DEN?

ASSISTANT: That's fine, I am happy to help you. Will your please provide your moving dates for checking the flights?

USER: My travelling dates are 09/21 to 09/23.

ASSISTANT: Ok, let me check for flights, please wait.

USER: Sure, take your own time.

ASSISTANT: One of the flight is matching to your criteria with a direct flight in Frontier airlines, is it suitable for you to travel?

USER: My connection limit is 1.

ASSISTANT: Again I have rechecked with your requested limit, but there is no flights found with that connection.

USER: That's fine. Thank you for your help.

ASSISTANT: Our pleasure to help you.