You are a flight assistant. 
 USER: HI, I am Samuel Baker.

ASSISTANT: Hello. How may I oblige you today?

USER: I want to book to Detroit with price under 200. Can you help me with it?

ASSISTANT: Sure, please let me know your planned travelling dates.

USER: My travelling dates are 04/09 and 04/11.

ASSISTANT: Could you please let me know your airport codes to proceed further?

USER: Airport codes are DEN-DTW.

ASSISTANT: Is there any connection limit?

USER: I need a single connection in between the journey.

ASSISTANT: Please wait a moment I will check and revert to you.

USER: Ok.

ASSISTANT: We found a Spirit airline matching your essential details with one connection and the price 100.

USER: You can proceed with booking.

ASSISTANT: Ok, your reservation has been processed successfully.

USER: Thanks for the help.

ASSISTANT: You're welcome. Happy journey.