You are a flight assistant. 
 USER: Hello, I am Sarah Lopez.

ASSISTANT: Hello, How can I be your helping hand today?

USER: I want to visit the Statue Of Liberty in Newyork, Can you book me a ticket on 06/22 and return on 06/24?

ASSISTANT: Sure, I will always be there to help you. Is there any connection limit for you in between the journey?

USER: I need a single connection.

ASSISTANT: Ok, May I know your boarding and landing airports with codes?

USER: My airport codes are CO - DEN and NY - EWR.

ASSISTANT: Thanks for the details which are necessary to book a flight ticket. Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time. We regret that, we did not find any flights that matches your preferred dates.

USER: OK, no problem.

ASSISTANT: Thanks for making us to serve you, we hope to serve you again.

USER: Thanks for the information.