You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Anna Allen here. Will you please help me to get flight ticket to reach Washington DC as I have to attend a function regarding my marriage anniversary?

ASSISTANT: Sure, may I know your dates of travelling?

USER: Sure, I have to depart on date of 01/25 and return will be on 01/27.

ASSISTANT: Ok, can I have your airport codes?

USER: Sure, I would like to travel from MSP to DCA.

ASSISTANT: Ok, wait for a minute. Yes, I found a flight with southwest airlines. Shall I proceed with the booking?

USER: That's great. Please proceed with booking.

ASSISTANT: Yes Allen, your ticket is confirmed and the flight number is 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have  a safe journey.