You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephen Baker. I want to book a flight ticket to visit South Mountain Park in Phoenix, could you help me in booking a flight ticket?

ASSISTANT: Sure. May I know when are you willing to make your journey possible?

USER: I would like to fly on 04/07 and return date on 04/09.

ASSISTANT: Please let me know your airport codes.

USER: My source is PA - PHL and destination is AZ - PHX.

ASSISTANT: Ok, Do you need a halt in between?

USER: I need a single connection in between my journey.

ASSISTANT: There is an Frontier airline with flight number 1017 available for you and the fare is 100. Shall I proceed with this booking?

USER: You can proceed to booking.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.