You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Kenneth Taylor.

ASSISTANT: How best can I aid you?

USER: I am panning to attend my brother's marriage in Phoenix AZ-PHX. Would you please help me for getting my flight ticket from Austin TX-AUS?

ASSISTANT: Sure, I can help you. Can you help me with travel dates?

USER: I would like to depart on 09/24 and return on 09/26.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: Ok, not an issue. Thank you for your service.

ASSISTANT: Thanks for approaching us.