You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from PHX to IAH, can you help me in booking a flight ticket.

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

USER: Sure, my travelling dates are Nov 23 and Nov 25.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, Carol Collins here.

ASSISTANT: Spirit airlines flight- 1010 of price 200 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 kind service.

ASSISTANT: Thank you for reaching us.