You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Daniel Smith.

ASSISTANT: How can I help you?

USER: I need your help to book a flight ticket from Austin, AUS to New York, JFK to meet my friends, can you please help me that?

ASSISTANT: Sure, let me know your travel dates?

USER: I have planned to travel on 04/06 and 04/08.

ASSISTANT: Do you prefer a direct flight or connected flight?

USER: I need a halt.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. Unfortunately, no flights are available in your route due to heavy sand - storm.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thanks for choosing us.