You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Brandon Edwards. Can you book a ticket from MSP to IAD, to meet my brother who is living in Washington.

ASSISTANT: Sure, please share your travel dates.

USER: Sure, my trip dates are 12/13 and 12/15.

ASSISTANT: The flight 1018 of UA airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Brandon, your reservation has been done successfully.

USER: Thanks for your help.

ASSISTANT: You are welcome.