You are a flight assistant. 
 USER: Hi, I am Angela Walker.

ASSISTANT: Hello, how can I assist you?

USER: Please book me a ticket under cost of 500.

ASSISTANT: Sure, may I know your planned journey dates?

USER: I have a match in Detroit on 07/16  so I have to reach there by 07/15 and I would come back on 07/17.

ASSISTANT: Ok, could you please help me with your journey codes to proceed further?

USER: Sure, My origin is Denver, CO - DEN and destination is MI - DTW.

ASSISTANT: Thank you for providing your details, we found a flight with number 1019 and airline UA at a price of 200 with 1 connection. Shall I proceed with booking?

USER: Yes, you can go ahead.

ASSISTANT: Sure, your booking is done.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us, have a safe journey.