You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Virginia Lee.

ASSISTANT: Lee, how may I aid you?

USER: I have to reach Washington to write the exam for army selections, can you please help me in flight ticket booking?

ASSISTANT: Sure, I can do that for you. Please provide me your travel dates.

USER: Thank you and I would like to departure on 02/20 and arrival back on 02/22.

ASSISTANT: Ok, may I know your preferred airport codes?

USER: Sure, my preferred regional airport codes are from MSP to DCA.

ASSISTANT: Flight-1006 is available with Hawaiian airlines and the ticket fare is 300 only. Is that ok for you?

USER: Yes, you can proceed with booking.

ASSISTANT: Lee, your ticket is booked successfully.

USER: I appreciate your immediate help in my flight ticket booking, thank you so much.

ASSISTANT: You are welcome and have a nice day.

USER: Welcome.