You are a flight assistant. 
 USER: Hello, I am Emma Green.

ASSISTANT: Hello, how may I aid you?

USER: Can you please reserve me a flight ticket from EWR to IAH?

ASSISTANT: Sure, we are here to help you. May I know your trip dates?

USER: My trip dates are 09/13 - 09/15.

ASSISTANT: Do you have any other requirements?

USER: I need a direct flight in a normal - cost.

ASSISTANT: Thanks for your time, there are no flights available with your requirements.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for choosing us.