You are a flight assistant. 
 USER: Hello, I am Kevin Lopez.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I would like to visit Fort Snelling State Park at Minneapolis & St. Paul, MSP. Can you please help me in booking?

ASSISTANT: Sure, do you need a halt?

USER: I need a halt.

ASSISTANT: Can you please mention the dates of your journey?

USER: My travel dates are from 06/04 to 06/06.

ASSISTANT: May I know your boarding point?

USER: My boarding point is at Houston, TX-IAH.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there were no flights available from your source.

USER: Ok, thank you.

ASSISTANT: Thank you for contacting us.