You are a flight assistant. 
 USER: Hi. I am Virginia Evans.

ASSISTANT: Hello. How may I serve you today?

USER: I want to book a flight ticket within 500. Can you help me?

ASSISTANT: Sure, we are glad to assist you in booking.

USER: Thank you.

ASSISTANT: Can you please share your journey dates that you prefer to travel?

USER: 01/18 and 01/20 are my travelling dates.

ASSISTANT: Kindly share your source and destination airport codes.

USER: SFO and PHX are my airport codes.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a Delta airline matching your essential details with single connection and the flight number-1024. Shall I book an economy class ticket?

USER:  That's Fine, You can reserve it for me.

ASSISTANT: Your booking has been reserved and the fare is 100.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.