You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight ticket from AUS to SEA?

ASSISTANT: Sure, may I know your planed travel dates?

USER: My planned travel dates are from Apr 09 to Apr 11.

ASSISTANT: Do you have any specifications?

USER: I would prefer not to fly a low-cost airline.

ASSISTANT: Please provide me the name to reserve the ticket.

USER: Sure, myself Ronald Hernandez.

ASSISTANT: Here, there are no flights available for your desired intent.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.