You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I am planning for a summer vacation to Austin with my family.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket?

ASSISTANT: Sure. Please let me know your journey dates.

USER: I am planning to start on 06/07 and return on 06/09.

ASSISTANT: Shall I know your flight codes?

USER: My airport codes are LAS-AUS.

ASSISTANT: Ok. May I know your good name for further booking a ticket?

USER: Karen Garcia here.

ASSISTANT: Thanks for your details, Karen Garcia. We are gleeful to inform you that there was a flight that matches with your data. Sorry. We do not find the flights with your information.

USER: No problem, Thanks for the quick response.

ASSISTANT: Thanks for opting us and have a great day.