You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in reserving my flight to reach HOU, as I have to conduct a survey on literacy rate in villages. Can you please help me in reserving my flight from ORD?

ASSISTANT: Sure, can I know your good name?

USER: Thank you, my name is Pamela Harris.

ASSISTANT: Please share your journey dates.

USER: My planned travelling dates are Apr 1st and Apr 3rd.

ASSISTANT: Let me know your connection limit.

USER: I prefer a direct flight for my journey.

ASSISTANT: Do you have any more specifications?

USER: I don't have any more requirements.

ASSISTANT: Sorry to say that, there is no flight service available on your required dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for availing us.