You are a flight assistant. 
 USER: Hello, I am Ashley Gonzalez.

ASSISTANT: Hello Ashley. How can I assist you?

USER: I need to book a flight ticket to Houston for my brother's wedding shopping, please help me in booking from HOU to IAH?

ASSISTANT: Sure, can I know your travel dates?

USER: My journey is from 09/28  to 09/30.

ASSISTANT: Please give me a minute.

USER: I need a connecting flight.

ASSISTANT: Ashley, there is no flight available on your requested dates.

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

ASSISTANT: You are welcome.