You are a flight assistant. 
 USER: Hi, I am Joseph Adams.

ASSISTANT: Hello, welcome to UB agency. How may I assist you?

USER: I need to book a ticket to meet my children at my native place  on 01/02. Could you please help me in doing that?

ASSISTANT: Definitely, may I know your take off and landing airport codes?

USER: Sure, my airport codes are SEA to DCA.

ASSISTANT: Do you want me to book return ticket also?

USER: I intent to return on 01/04. Yes.

ASSISTANT: Fine, wait a while.

USER: Sure.

ASSISTANT: Flight-1008 from Frontier airline is there for you with ticket fare of 100, shall I proceed booking?

USER: You can continue with booking.

ASSISTANT: Your ticket is confirmed, have a safe flight.

USER: Thank you.