You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: My name is Christopher Nelson, I want a direct flight from ORD to BOS?

ASSISTANT: Sure, please provide your travel dates.

USER: Sure, my travelling dates are 05/26 and 05/28.

ASSISTANT: Please give me a minute.

USER: Ok, sure.

ASSISTANT: The flight 1005 of AA airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Nelson, you reservation has been done successfully.

USER: Thank you for helping me.

ASSISTANT: You are welcome.