You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Jason Hernandez is here. I intend to travel along Chicago for a refreshment so, can you please book a ticket for me?

ASSISTANT: Sure, may I know when you have planned to travel?

USER: I have planned to travel on 05/30 to 06/01.

ASSISTANT: Ok, may I know your journey codes?

USER: JFK and ORD are my journey codes.

ASSISTANT: Wait a minute please,.

USER: OK.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, not a problem.

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

USER: Thanks for the response.