You are a flight assistant. 
 USER: Hello, I am Emily Evans.

ASSISTANT: Hello, ho w may I aid you?

USER: I want a flight ticket from SFO to DCA from 09/28 to 09/30.

ASSISTANT: Ok, do you need any connections in between?

USER: I need a single connection.

ASSISTANT: Is there any price limit you need?

USER: The price is of 5000.

ASSISTANT: Thank you, please wait for a while. Thanks you waiting. We found a Hawaiian airline with flight number 1006 and price of 100 available for you.

USER: Sure, book the flight.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.