You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Carolyn Adams.

ASSISTANT:  How can I amend you?

USER:  I would like to participate in Multi-Car 50 mile Canyon Road Test Drive at Denver, CO - DEN. So, help me in making a reservation with fare 500.

ASSISTANT: Ok, may I know your travel dates?

USER: 12/23 - 12/25 are my planned journey dates.

ASSISTANT: Do you have any connection limit?

USER: I need a lay by in between my journey.

ASSISTANT:  May I know your source point?

USER: Detroit, DTW is my boarding airport code.

ASSISTANT: We found a connecting flight Spirit with flight number 1029 and fare is 200.

USER: Please, proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT:  Thank you for opting us.