You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: I am Stephen Nelson. I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you please make a reservation from Washington, IAD?

ASSISTANT: Sure, please share your travelling dates?

USER: My journey dates on 05/08 and 05/10.

ASSISTANT: Do you have any other specifications?

USER: Price should be up to 200. And with connecting flight.

ASSISTANT: Thanks for sharing your details.

USER: Ok.

ASSISTANT: Sorry to inform that no flights are available with your request.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us.

USER: Thank you for your information.