You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: My sister is blessed with a baby girl, so I am planning to attend Baby shower function. Could you book a ticket for me?

ASSISTANT: Congratulation from our team to your sister, sure may I know your airport codes please?

USER: Thank you, I am travelling from DCA to MSP. My journey dates are 07/27 and 07/29.

ASSISTANT: That's cool, please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight with your requirements, for further proceedings may I know your name please?

USER: My name is Kenneth Clark.

ASSISTANT: Thank you for providing your details, shall I proceed?

USER: Please book my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.