You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Susan White here.

ASSISTANT: How can I assist you today?

USER: I want to visit my son. Can you book a ticket from JFK to IAD?

ASSISTANT: Can you share me your travelling dates?

USER: my planned travel dates are 01/18 and 01/20.

ASSISTANT: Do you need any connection limit?

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

ASSISTANT: May I know your preferable timings?

USER: Make sure that, my return time should be in afternoon only.

ASSISTANT: Do you have any other requirements?

USER: No more, thank you.

ASSISTANT: Sorry to inform you that there are no flights available on your routes.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.