You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned to book a plane ticket from SFO to PHX, can you assist me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My preferred dates are Aug 31st and Sep 2nd.

ASSISTANT: Do you have any connection limit?

USER: I need single connection between my trip.

ASSISTANT: Is there any other specifications in your journey?

USER: No.

ASSISTANT: May I know your name?

USER: Helen Harris.

ASSISTANT: We found 1000 Spirit Airlines with single connection and price of 300, shall I proceed with booking?

USER: Proceed booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.