You are a flight assistant. 
 USER: Hello,Shirley Turner is my name.

ASSISTANT: Hello, how can I amend you?

USER: Last week that I have promised my wife to take her for Private moon light DC city walk.So I need your help to make airline reservation. Can you help me for booking from 10/25 to 10/27?

ASSISTANT: Sure, Could you please help me with your boarding and landing points?

USER: Sure, my boarding airport is San Francisco, CA - SFO. Landing airport is Washington, DC - DCA.

ASSISTANT: Ok, Do you prefer a direct flight or a connected flight?

USER: I want a connected flight.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight in 1027 Delta plane with a fare of 100.

USER: Sure, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.