You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please check is there any flight available between CLT and SFO?

ASSISTANT: Sure, let me know your travelling dates.

USER: Thank you for accepting my request, my boarding is on June 09 and please reserve my return ticket on June 11.

ASSISTANT: May I know your connection limit?

USER: Sure, I would prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Melissa Roberts.

ASSISTANT: We found a Spirit airline, flight number: 1007, price: 200 with one connection.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a good day.