You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Stephen White. I want to book a flight ticket from New York, NY-LGA to Houston, TX-HOU for attending a business meeting about my new project. Could you please help me with reserving a flight ticket?

ASSISTANT: Sure, can you please share your scheduled dates?

USER: Sure, I want to depart on 06/05 and arrive on 06/07.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a lay by in between the journey.

ASSISTANT: Let me know your price limit?

USER: I want to travel in a business class with fare under 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, unfortunately, no flights available on that route.

USER: No problem, I will choose another alternative to reach my destination.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the information.