You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER:  I am Samantha Lee want to attend my sister Baby Shower Ceremony at TX-DFW. Can you book a ticket from TX-AUS?

ASSISTANT: Sure, can I know your travelling dates?

USER:  My travel dates are 056/09 and 06/11.

ASSISTANT: We could not found any flight to your destination.

USER:  Ok, thank you for your response.

ASSISTANT: Thank you.