You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend my school reunion meeting. Can you check the flight availability on that root?

ASSISTANT: Sure, let em know your travelling dates.

USER: My planned travel dates are 11/18 and 11/20.

ASSISTANT: Please share your airport codes.

USER: My codes are JFK-ORD.

ASSISTANT: Do you have any limits on number of connections?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Do you have any specifications?

USER: I need economy class with normal cost. My return time must be in evening only.

ASSISTANT: Can I get your name?

USER: Sure, Katherine Hernandez here.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.