You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a normal cost airline to meet my brother at Washington, can you help me with booking?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: I will fly on Oct 09 return on and Oct 11.

ASSISTANT: May I know your travelling airport codes?

USER: My travelling airport codes are AUS to IAD.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your good name for further proceeding?

USER: I am Nancy Hernandez.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.