You are a flight assistant. 
 USER: Hi, Betty Lee here.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend my grand father's 60th anniversary at Philadelphia. Can you please make a reservation with a price limit of 500?

ASSISTANT: Sure, please share your journey points?

USER: I would like to depart from CA - SFO and return from PA - PHL.

ASSISTANT: May I know your travelling dates?

USER: My journey dates are 08/09 and 08/11.

ASSISTANT: We are happy to inform that in Hawaiian airline, 1002 flight number we found a seat for you. Shall I proceed for booking with fare of 100?

USER: Please proceed with booking.

ASSISTANT: Your booking has been done with single connection. Happy journey.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.