You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a direct flight to Houston, TX - HOU?

ASSISTANT: Sure, can you please share your travelling dates?

USER: 08/12 and 08/14 are my travelling dates.

ASSISTANT: Kindly mention your origin point?

USER: Boston, MA - BOS is my origin.

ASSISTANT: May I know your name to proceed?

USER: Linda Perez is my name.

ASSISTANT: Ok, please hold a moment. Thanks for your time, sorry, no direct flight found on that route.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for availing us.