You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to travel DCA from LAS, can you please help me with this?

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

USER: My journey dates are Aug 16 and Aug 18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, myself Jack Allen.

ASSISTANT: Southwest airlines flight- 1009 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.