You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Elizabeth Nelson. I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 1000?

ASSISTANT: Sure, I can provide you the best flight among our flights.

USER: Thank you.

ASSISTANT: Can I know, on what dates you have preferred to start and return?

USER: I want to travel on 01/22, and need to catch return flight on 01/24.

ASSISTANT: I need your specified airport codes of your journey?

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

ASSISTANT: Would you prefer either economy class or business class?

USER: I need a economy class.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1004 AA airline with single connection and price of 100 in economy class. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.