You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a ticket from IAH to AUS. Can you please help me out?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: I am planning to travel on Nov 22 and return back on Nov 24.

ASSISTANT: May I know your name?

USER: I am Edwards Evans.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct\ flight.

ASSISTANT: Do you have any requirements?

USER: Yes, I am looking for a economy class.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.