You are a flight assistant. 
 USER: Hi.

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

USER: I would like to book a ticket from ORD to JFK, can you please help me with that?

ASSISTANT: I am here to assist you about that, can you please let me know your planned dates of journey?

USER: The travel dates are from 05/20 to 05/22.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I need a flight with 1 connection limit.

ASSISTANT: Can you please provide your name for further proceeding?

USER: Timothy Walker here.

ASSISTANT: Sorry to say this Timothy Walker, there are no flights which travels to your region.

USER: That's ok, thank you for your help.

ASSISTANT: You are welcome, thank you for reaching us.