You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I am travelling on these dates 11/18 and 11/20.

ASSISTANT: Ok, please hold on for a moment I will check for the available flight.

USER: Sure.

ASSISTANT: Sorry to say, no flights were found on your route.

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

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