You are a flight assistant. 
 USER: Hello, William Baker here.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: I want to enjoy in Beer festival at New York, NY - JFK with my friends. Can you please book a ticket from Houston, TX - HOU?

ASSISTANT: Ok, share with your dates of travel.

USER: My journey dates are on 06/20 to 06/22.

ASSISTANT: Do you require any lay by in between journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: Ok, no worries. Thank you for your help.

ASSISTANT: Thank you for availing us.