You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to book an economy class ticket from Austin to visit Puget Sound in Seattle?

ASSISTANT: Sure, may I know your name please?

USER: I am Robert Robinson.

ASSISTANT: Please share your planned travelling dates to proceed further.

USER: I want to depart on July 24th and my return date will be on July 26th.

ASSISTANT: Kindly share your take off and landing airport codes.

USER: My source point is AUS and my destination point is SEA.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a break in between your journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to terminal up-gradation at your destination airport.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for approaching us.