You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me in booking a flight ticket for my friend to Chicago, ORD from Boston, BOS?

ASSISTANT: Sure, can I have your travelling dates?

USER: Ok, please confirm the ticket for the date July 28th and return date is 30th July.

ASSISTANT: Do you have any connection limit?

USER: Yes, please check for the direct flight.

ASSISTANT: May I know your name please?

USER: Please confirm the ticket on my friend's name Kimberly Nelson.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: That is ok, thank you for your assistance.

ASSISTANT: Thank you for choosing us.