You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Jack Lewis. Please book a flight ticket from Detroit, DTW to Orlando, MCO.

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, my travelling dates are from 04/13 to 04/15.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight ticket under the range of 500.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1022 UA airline with single connection and price of 200. Shall I proceed with booking?

USER: Ok, Proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.