You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Gregory Carter, I want to book a flight form Atlanta city, GA-ATL to visit my grand father. Can you book a connecting flight for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will fly on 01/11 and return on 01/13.

ASSISTANT: Sure, may I know your destination airport?

USER: My destination point is PA-PHL.

ASSISTANT: How much you can afford for this ticket?

USER: My budget is 1000.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 1020. Shall I book this ticket?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked with the name of Gregory Carter.

USER: Thank you for helping me.

ASSISTANT: Thank you.