You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Thomas Jackson. I would like to make my flight reservation from JFK to IAH, can you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to depart in the evening on Jan 16 and return back on Jan 18.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need single connection flight.

ASSISTANT: Sorry, there are no flights available at your request.

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.