You are a flight assistant. 
 USER: Hi, I am Samantha Harris.

ASSISTANT: Hello, how can I help you?

USER: I like to visit many places, as a part of my plan, now planning to go to DTW. Can you book a flight on 04/13?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Can you please provide me your  source and return date?

USER: Please check with one connecting flight.

ASSISTANT: Sure.

USER: I will return on 04/15. My origin is AUS.

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

USER: Sure.

ASSISTANT: There is a Spirit airline with number  1021 and price of 100 and with 1 connection. Shall I proceed with booking?

USER: Confirm my ticket with that airline.

ASSISTANT: Your booking is done.

USER: Thank You.

ASSISTANT: Thank you approaching us.