You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I need your help in booking a flight ticket from DFW to SEA. Please help me.

ASSISTANT: Sure, I am gleeful to help you. May I know your name please?

USER: I am gleeful to know that. My name is Sarah Smith.

ASSISTANT: Ok, let me know your planned dates.

USER: March 1 and 3 are the planned travel dates.

ASSISTANT: Ok, Is there any connection limit?

USER: I would prefer to reach my destination in a connecting flight.

ASSISTANT: Do you prefer an economy class or a business class?

USER: I am ok to fly in any class.

ASSISTANT: Is there any other concerns?

USER: Nothing much to state.

ASSISTANT: We found a connecting flight with a fare of 100 in 1004 Frontier Airline, shall I proceed?

USER: Yes, please book.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you very much.

ASSISTANT: Thank you for choosing us.