You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: My name is Michelle Allen. I would like to book a ticket from DTW to CLT., to meet  my old friends.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My itinerary travel dates are as follows, June 19 and June 21.

ASSISTANT: The economy class with flight number 1004 of UA airline is available having connection as 0, is it ok for you?

USER: I would like to travel by single connection flight.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a great day.