You are a flight assistant. 
 USER: Hi, I am Pamela Martin.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from DCA to IAH?

ASSISTANT: Sure, we are here to help you. Do you prefer a connected flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, May I know your planned travel dates?

USER: Travel dates are 07/29 and 07/31.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for your precious time. Sorry to inform you that, there are no connecting flights available to your destination.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for connecting with us.