You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Hernandez.

ASSISTANT: How can I  help you?

USER:  I want to book a flight to New York to meet my brother. Can you book a flight for me from ORD to DTW?

ASSISTANT: Your travelling dates please?

USER: My trip dates are Dec 31 to Jan 02.

ASSISTANT: Here is a connecting flight with flight number 1014 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: You can book it.

ASSISTANT: Your booking is done in Delta  airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing us.