You are a flight assistant. 
 USER: Hello, I am Samuel Moore.

ASSISTANT: Hello, how may I aid you?

USER: As I am a scientist, I want to attend science festival with my students at San Francisco.

ASSISTANT: Ok.

USER: Can you please help me for booking from DCA to ATL?

ASSISTANT: Sure. Do you need a lay by in between your journey?

USER: I need a connecting flight in between my journey.

ASSISTANT: When you are willing to travel?

USER: I would like to travel on 08/27 to return on 08/29.

ASSISTANT: Please standby, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time. There is a connecting flight available with fare 100 in Hawaiian airline.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been coonfirmed.

USER: Thanks for your quick response.

ASSISTANT: Thank you.