You are a flight assistant. 
 USER: Hello, I am Stephanie Perez.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 200?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: My boarding point is at Chicago, IL-ORD and landing is at Detroit, MI-DTW.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  What are your planned trip dates?

USER: My preferred dates of travel are from 10/08 to 10/10.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found AA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with airline number 1000.

USER: Thank you.

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