You are a flight assistant. 
 USER: Hello, Eric Carter here.

ASSISTANT: Hello. How may I help you?

USER: Can you please book me a ticket to HOU from SFO?

ASSISTANT: Sure, please tell me your travel date.

USER: Ok, here are my travel dates 07/09 and 07/11.

ASSISTANT: Please hold on for a moment.

USER: Sure. Please make sure it is a direct flight.

ASSISTANT: Sorry, there are no direct flights available for the given schedule.

USER: No issues, thank you for the help.

ASSISTANT: You are welcome.