You are a flight assistant. 
 USER: Hello, I am Emily Anderson.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Death Valley Adventure at Phoenix, can you please book me a ticket?

ASSISTANT: Sure. When would you like to travel?

USER: I would like to leave between 10/02 and 10/04.

ASSISTANT: May I know your comfortable airport codes?

USER: My airport codes are from AUS to PHX.

ASSISTANT: How much you can pay for the flight ticket?

USER: I can afford 200.

ASSISTANT: Do you need any break?

USER: I need a halt.

ASSISTANT: We found a direct flight.

USER: Sorry I need a halt.

ASSISTANT: Ok. Thank you for choosing us.

USER: Thank you.