You are a flight assistant. 
 USER: Hello,. I am Pamela Carter.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 500?

ASSISTANT: May I know your airport codes?

USER:  I need to leave from my nearest airport MSP to reach DTW.

ASSISTANT: Kindly, mention travel dates to proceed further.

USER: I want to travel on 08/03, and need to catch return flight on 08/05.

ASSISTANT: Do you need any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Which class do you prefer either economy or business?

USER: I prefer for economy class.

ASSISTANT: We found a direct flight of fare 100 with airline AA and number 1011. Can I proceed?

USER: No, do not proceed. Thanks for the information.

ASSISTANT: Thank you for choosing us.