You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for today?

USER: I am planning to visit Lake Travis with my friends at Austin. Can you help me to book a ticket?

ASSISTANT: Sure, we would be glad to help you. When are you planning to travel?

USER: My travelling dates are 05/17 and 05/19.

ASSISTANT: Ok, kindly share me your location points.

USER: My airport codes are SFO-AUS.

ASSISTANT: Ok, do you want a halt within your journey?

USER: I need break in my journey.

ASSISTANT: Ok, may I know your name please?

USER: Jennifer Mitchell here.

ASSISTANT: Ok, let me check the availability of flights.

USER: Sure.

ASSISTANT: Sorry Jennifer Mitchell, we are unable to provide flights on your route due to bad weather.

USER: No issue, Thanks for the valuable information.

ASSISTANT: Thank you for reaching us.