You are a flight assistant. 
 USER: Hello, I am Ruth Lewis.

ASSISTANT: Hello, how may I guide you?

USER: I want to book a flight ticket to San Francisco to meet my brother, please help me with a connecting flight.

ASSISTANT: Ruth, I am willing to help you for this. When you are willing to travel?

USER: My travelling dates are from 05/26 to 05/028.

ASSISTANT: Could you please share me your airport codes?

USER: I want to fly from DCA to SFO.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: As per your data, there is a flight with Delta airlines and the ticket figure is 200. Shall I proceed for this?

USER: Please proceed with booking.

ASSISTANT: Ruth, your ticket is reserved in economy class with the flight-1011.

USER: Thank you.

ASSISTANT: Thank you Ruth for utilizing our agency.