You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I help you today?

USER: My name is Nancy Hall. I want to amaze the view from 110th floor of The Willis Tower in Chicago, can you please book a flight from ATL?

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to depart on Apr 2nd and return back on Apr 4th.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with one connecting flight.

ASSISTANT: Do you have any other preferences?

USER: Yes, I want to depart in the morning.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: No problem, thank you.

ASSISTANT: Thank you.