You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Lee.

ASSISTANT: Lee, how can I assist you today?

USER: Can you help me in booking from AUS to SEA?

ASSISTANT: Sure, I will help you. Can you please provide me your trip dates?

USER: My travelling dates are 12/05 to 12/07.

ASSISTANT: Flight-1005 is available with Delta airlines and the ticket fare is 100. Can I book the ticket for you?

USER: You can book it.

ASSISTANT: Your ticket is confirmed successfully.

USER: Thank you for helping.

ASSISTANT: Thank you for contacting us and happy journey.