You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned to attend Film festival at Detroit, MI - DTW with my friends. Can you please book a ticket on 06/20?

ASSISTANT: Sure, can you please mention your price limit for this trip.

USER: I can spend up to 200.

ASSISTANT: May I know your boarding point please?

USER: My boarding is Denver, CO - DEN.

ASSISTANT: When would you like to return?

USER: I intend to return on 06/22.

ASSISTANT: We found a direct flight with JetBlue airlines. Shall I proceed to booking?

USER: Do not proceed for booking. Thank you.

ASSISTANT: May I know your  name please?

USER: Sure, I am Shirley Rodriguez.

ASSISTANT: Ok, Thank you for opting us.