You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Dorothy King, I want to make a reservation to CLT from MSP. Could you help me?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are on 12/19 and 12/21.

ASSISTANT: Do you prefer economy class or business class?

USER: I am okay with any class.

ASSISTANT: Is there any price restriction for you?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a Hawaiian airline and 1009 is flight number with a fare of 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.