You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Stephen Taylor here. I'm planning to attend a wedding, please book a ticket from JFK to ORD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned departure and return travel dates are 20th and 22nd of July.

ASSISTANT: Do you have any airline preferences?

USER: No but I prefer economy class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Yes, I want to depart on the morning in single connected flight.

ASSISTANT: Sorry, there are no flights available at your request.

USER: That's ok, thank you anyways.

ASSISTANT: Thank you for contacting us, have a nice day.