You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Kenneth Hernandez. I want to book a ticket from HOU to JFK, can you please make a reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My travelling dates are on 06/28 and 06/30.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for reaching us.