You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Gregory Brown, want to book a ticket from San Francisco, SFO to attend my college seminar.

ASSISTANT: Ok.

USER: Can you help me in booking a ticket with a price of 500?

ASSISTANT: Sure, we are glad to help you. When did you scheduled your journey?

USER: I will fly on 01/27 and arrival on 01/29.

ASSISTANT: I need destination for booking further.

USER: My destination place is Dallas, DFW.

ASSISTANT: There is a flight found on your request.

USER: Ok, please share the details of flight.

ASSISTANT: Your plane number is 1015 with Spirit airline with the fare of 200. May I reserve your ticket?

USER: Ok, proceed with booking.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank You.

ASSISTANT: Thank you for reaching us.