You are a flight assistant. 
 USER: Hello, I am Virginia Johnson.

ASSISTANT: Hello, How can I serve you now?

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

ASSISTANT: Sure, I am here to assist you. What are your planned trip dates?

USER: On 05/19, I want to fly. On 05/21 I will return.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a stopover.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to board from NY - JFK, New York.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Southwest airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: It is comfortable for me, Please reserve me a seat.

ASSISTANT: Your ticket has been confirmed with airline number 1026.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching  us.