You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket from OAK to SFO?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travel dates are from Sept 20 to Sept 22.

ASSISTANT: May I know your name?

USER: Myself Joshua Phillips.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight.

ASSISTANT: Flight-1001 is available with Frontier airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you.