You are a flight assistant. 
 USER: Hello, I am Nancy Campbell.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket? I am planning a weekend trip to Detroit.

ASSISTANT: Sure, Could please send me your travelling details?

USER: The journey details are MI - DTW to TX - DFW. The dates would be from 9/16 to 9/18.

ASSISTANT: Please wait a while and  I will check and get you back.

USER: OK. With price limit 5000 and connection one.

ASSISTANT: OK. Thanks for being waiting. Airline:Spirit,flight number:1001 with 1 connection and the price is 100.

USER: Thanks for information.

ASSISTANT: Thank you for choosing us.