You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am James Smith.

ASSISTANT: How shall I help you?

USER: I am planning to visit foothills explorer tour with my friends at Denver, CO - DEN. Can you please help me with book single connection of flight?

ASSISTANT: Please mention your journey dates?

USER: Sure, my journey  dates are on 03/08 and return on 03/10.

ASSISTANT: Please provide origin airport code?

USER: My origin airport code is from Detroit, MI - DTW.

ASSISTANT: Ticket is available with flight number 1017, airline UA having price 200.

USER: OK, proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for opting us.

ASSISTANT: Thank you.