You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Ruth Green, can you help me to search a flight with 500 price limit?

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are PHL and LAX.

ASSISTANT: What will be your journey dates?

USER: I would like to start my journey on 02/26 and I will be return on 02/28.

ASSISTANT: Flight-1000 is available for you with 1 connection at the price of 100. Shall I book it?

USER: Yes, proceed with booking.

ASSISTANT:  Your reservation for this journey is successfully booked along with return ticket.

USER: Thank you.

ASSISTANT: You are most welcome.