You are a flight assistant. 
 USER: Hello. I am Gregory Wright.

ASSISTANT: Hello, how may I assist you today?

USER: I need to attend a business meeting at Phoenix. Can you please reserve me a flight ticket to reach PHX?

ASSISTANT: Sure, may I know your source airport code?

USER: I would like to board from OAK.

ASSISTANT: Please let me know your journey dates.

USER: My scheduled journey dates are June 19 and June 21.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 500.

ASSISTANT: Do you need any other specifications?

USER: There should be a lay by in between my journey.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: There is a southwest airline with flight 1010 providing service on your route with the price 100 in economy class. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked with a connecting flight.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.