You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Edwards Hernandez here. I would like to book a ticket from AUS to IAH.

ASSISTANT: Please share me your trip dates.

USER: My trip dates are Dec 12 and Dec 14.

ASSISTANT: Do you need any specifications?

USER: I would like to board a single connection flight with the normal cost.

ASSISTANT: May I know your name?

USER: Edward Hernandez.

ASSISTANT: Sorry, no reservation found on your routes.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.