You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Hall.

ASSISTANT: How may I help you?

USER: Make a reservation for me from DCA to SFO, for attending a function in my aunt's home.

ASSISTANT: Sure Hall, I am here to help you. When you are willing to travel?

USER: Sure, my trip dates are from 03/27 and 03/29.

ASSISTANT: Ok, just a moment.

USER: Ok.

ASSISTANT: As per your data, I found a flight with Hawaiian airlines and the ticket fare is 100 only. Shall I proceed for booking?

USER: Please proceed, if the connection is 1.

ASSISTANT: Sure hall, your ticket is booked with the flight-1000.

USER: Thanks for your help.

ASSISTANT: You are most welcome, thank you very much for approaching us.