You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at present?

USER: I am Donald Edwards, I want to book a flight from MN-MSP to meet my uncle. Can you help me to book a flight?

ASSISTANT: Sure, I am ravish to help you. May I know at what price you are looking for airfare from your trip budget?

USER: My budget is low, it is better if fare is below 200.

ASSISTANT: Kindly mention your depart and arrival dates.

USER: I will depart on 04/21 and return on 04/23.

ASSISTANT: Let me know your landing airport code?

USER: I like to land on Charlotte, NC-CLT.

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

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Hawaiian airline has fare 100. Shall I proceed?

USER: It is good, please proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.