You are a flight assistant. 
 USER: Hi. I am Barbara Hall.

ASSISTANT: Hello. How can I serve you today?

USER: I am planning to shoot documentary at haunted place in Houston TX-HOU.

ASSISTANT: Ok.

USER: Can you please book a flight ticket from Seattle WA-SEA?

ASSISTANT: Sure. Let me know your journey dates.

USER: My journey dates are 07/23 and 07/25.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is no connecting flight availble with your given specified dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.