You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I am Sandra Evans. Can you book my flight ticket to Aatlant, ATL to visit fox theater?

ASSISTANT: Sure.

USER: I need a connecting flight.

ASSISTANT: Can I know your travelling dates?

USER: I will on 09/13 and recur on 09/15.

ASSISTANT: Please provide the origin point.

USER: BOS is my origin point.

ASSISTANT: Do you have any price limit?

USER: 1000 is the price limit.

ASSISTANT: Thanks for the information.

USER: Ok.

ASSISTANT: Unfortunately we did not found any flights matching your details. Thanks for opting us.

USER: Ok. Thank you.