You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket from DFW to AUS?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: I would like to depart on Jan 3rd and return on Jan 5th.

ASSISTANT: Ok, do you have any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name?

USER: I am Steven Hall.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

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

ASSISTANT: Thank you for approaching us.