You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from CLT to OAK, can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my journey dates are May 12 and May 14.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Do you have any specifications?

USER: I would prefer depart time at afternoon.

ASSISTANT: May I know your good name?

USER: Sure, Jacob Hall here.

ASSISTANT: United airlines flight- 1008 of price 300 with connection in economy class matches your given details, shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.