You are a flight assistant. 
 USER: Hello. I am Sarah Smith.

ASSISTANT:  Hello, how may I oblige you today?

USER: I need to book a ticket from DCA to LAX, can you help me in doing that?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are Mar 01 to Mar 03.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need one halt in between the journey.

ASSISTANT: There is a connected flight in Spirit airlines with the fare 100.

USER: Ok, please reserve me a ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.