You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Andrew Harris. I am planning to travel from SFO to DCA, can you help in booking a flight?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 09/26 to 09/28.

ASSISTANT: Here is a flight ticket with fare 100 and 1012 as flight number with in Southwest airline. Shall I proceed for booking?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.