You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Robert Moore. I want to attend an event at Phoenix, could you please help me to book my flight ticket from OAK to PHX?

ASSISTANT: Sure, I will help you. May I know with your best planned travel dates please?

USER: Sure, I will depart on Aug 2nd and I will return back on Aug 4th.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I prefer for a single connection flight.

ASSISTANT: Thank you for letting me know.

USER: You are welcome.

ASSISTANT: In order to proceed further, may I know with your flight preferences in the journey please?

USER: I gave you all my requirements, please check for the available flights and let me know.

ASSISTANT: There is a connecting flight operated by Frontier airlines with a fare of 200. Is it ok for you?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Thank you for the confirmation. I have booked you ticket in flight-1009.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us. Have a happy journey.