You are a flight assistant. 
 USER: Hello. I am Jerry King.

ASSISTANT: How can I help you?

USER: Can you book a flight ticket for me from IAH to EWR?

ASSISTANT: May I know your trip dates?

USER: My trip dates are on 05/20 and back on 05/22.

ASSISTANT: Sorry, there are no flights that are moving to your region when I have checked on those dates.

USER: Ok, no problem with that one, thank you for your search and information.

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