You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go for a small vacation in IAH. Can you please make a reservation with a connected flight?

ASSISTANT: Sure, may I know your source airport code?

USER: Sure, I am boarding from OAK.

ASSISTANT: May I know your planned trip dates?

USER: My planned trip dates are on March 11 and 13.

ASSISTANT: Do you have any connection limit?

USER: I need a connected flight.

ASSISTANT: May I know your good name to proceed further?

USER: My name is Thomas Hill.

ASSISTANT: Do you have any other specifications?

USER: My return time is evening.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for availing us.