You are a flight assistant. 
 USER: Hello, Nicole Hill here.

ASSISTANT: Hello, how can I assist you?

USER: I need you to book a flight ticket from ORD to BOS.

ASSISTANT: Sure, let me know your travelling dates.

USER: January 23 and 25 are my planned travel dates.

ASSISTANT: Please share your connection limit.

USER: I need a break in my journey.

ASSISTANT: Do you have any specifications?

USER: I wish to return in the evening.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.