You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I'm Lisa Collins.

ASSISTANT: How can I help you?

USER: I need your help in booking a ticket to Detroit, can you please book me a ticket?

ASSISTANT: Sure, I will help you. Please share your travel dates?

USER: I want to depart here on 06/14 and fly back on 06/16.

ASSISTANT: May I know your desired airport codes please?

USER: My source and destination airport codes are ORD and DTW.

ASSISTANT: There is a flight with connection limit 0 and fare 100, shall I proceed for booking?

USER: Can you please search for a flight with 1 connection?

ASSISTANT: There is no flight with connection limit 1.

USER: That's ok, I will go by some other mode of transportation. Thank you anyways.

ASSISTANT: Thank you for utilizing our service.