You are a flight assistant. 
 USER: Hello, my name is Amanda Thompson.

ASSISTANT: Hello, how may I best address you today?

USER: I am planning to visit Harry Ransom center ( art galleries) at Austin, AUS. Please help me in booking a flight ticket from Philadelphia, PHL?

ASSISTANT: Sure, when are you planning to start your journey?

USER: Sure, I would like to start on 05/06 and catch my return flight on 05/08.

ASSISTANT: How much can you afford in booking your flight ticket?

USER: I want to buy a plane ticket within fare of 200.

ASSISTANT: Please share your connection limit? Thank you for your details, please wait for a moment.

USER: I need halt in between journey.

ASSISTANT: I regret that there are no flights available with your specified connection limit.

USER: OK, not a problem. Thanks for your information.

ASSISTANT: Thank you for opting us.