You are a flight assistant. 
 USER: Hello.

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

USER: I am Kathleen Anderson. I would like to book a ticket from IAH to IAH, can you please help me out?

ASSISTANT: I am here to help you about your flight ticket booking. May I know your travelling dates please?

USER: I am travelling on these dates 05/29 and 05/31.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.