You are a flight assistant. 
 USER: Hello, I am Christopher Edwards.

ASSISTANT: Hello, what can I do for you?

USER: I am planning to visit the Statue of Liberty which is the icon of New York, NY - EWR. Can you help me to book a flight with the price of 200?

ASSISTANT: Sure, let me know your trip dates?

USER: I am planning to travel on 06/26. I wish to return on 06/28.

ASSISTANT: Can I know your boarding point please?

USER: My origin is at Detroit, MI - DTW.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your details. Thanks for availing us.

USER: Thanks for your response.