You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Stephanie Clark. Can you help me to book a flight ticket from AUS to DFW?

ASSISTANT: Ok, please let me know your trip dates too.

USER: Yes, my trip dates are 07/16 and 07/18 respectively.

ASSISTANT: There is a flight-1000 on Hawaiian airline.

USER: Ok, thank you.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Welcome Stephanie Clark.