You are a flight assistant. 
 USER: Hello, I am Amy Smith.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from Detroit, MI - DTW to New York NY - LGA. Can you book me a ticket with price range of 5000?

ASSISTANT: Sure, please provide me your journey dates?

USER: I start on 04/18 and return on 04/20. There should be a single connection.

ASSISTANT: Thanks for the information, please wait for a while.

USER: OK.

ASSISTANT: Thank you for waiting, I found a flight of Southwest, flight number 1027 with price of 100. There is single connection with this flight. Shall I book the flight ticket?

USER: You can proceed.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you have a nice day.