You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I was looking for the flights from HOU to LAS for attending a family reunion. Can you please help me?

ASSISTANT: Sure, please share your journey dates dates.

USER: My journey will start on Jan 10th and I will return on Jan 12th.

ASSISTANT: Do you need any connection limit?

USER: I need 1 connection for my journey flight.

ASSISTANT: Can I know your preferable timings?

USER: Any time will be ok for me.

ASSISTANT: Do you have any other requirements?

USER: Actually, I was looking for an economy class flight.

ASSISTANT: May I know your name?

USER: My name is Linda Martin.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available on your requested dates.

USER: Oh! That's fine. No problem with it. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: You are welcome.