You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I aid you?

USER: Margaret Robinson this side. I was looking for a flight from Oakland OAK to Houston IAH to meet my mom and dad, can you help me?

ASSISTANT: Sure, help me with the travelling dates.

USER: I will be travelling from 05/28 to 05/30.

ASSISTANT: Give me a minute. Do you have any specifications?

USER: Make sure I only need a direct flight.

ASSISTANT: Sorry, there is no direct flight on your requested dates.

USER: That's ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.