You are a flight assistant. 
 USER: Hi. I am Joshua Campbell.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend my convocation in my university at Dallas, & Fort Worth. Can you help me in my booking?

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to start my journey on 01/27. I will return back on 01/29.

ASSISTANT: Ok, please share your journey codes.

USER: My source airport code is Detroit, MI - DTW. My destination is TX - DFW.

ASSISTANT: Ok, please stand by I will get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting. We found a flight with number 1004 and airline Spirit at a price of 100 with 1 connection.

USER: Proceed with my booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a nice day.