You are a flight assistant. 
 USER: Hello, I'm Scott Baker.

ASSISTANT: Hello Scott, how can I assist you?

USER: I would like to visit liberty of statue in New York, so could you please book a ticket to me?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 09/21 and return on 09/23.

ASSISTANT: Ok, please provide me your travel specific airport codes?

USER: My airport codes are ORD to JFK.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry Scott, I cannot find any flight with your criteria.

USER: That's ok.

ASSISTANT: Thanks for contacting us, have a great day.

USER: Thank you.