You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am very excited as this trip is very special to me, I am going to hangout with my school friends after a long time.Can you please book a flight ticket for me?

ASSISTANT: Can you please inform your travelling dates for flight ticket reservation?

USER: Sure, I will go on 05/03 and return on 05/05.

ASSISTANT: Can you please inform your source and destination airport codes?

USER: My source and destination airport codes are from EWR to DCA.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight ticket available as per your requested dates with 1 connection and price limit is 100. Shall I proceed?

USER: That's perfectly matched with my requirements. Please proceed.

ASSISTANT: May I know your name for ticket booking purpose?

USER: Sure, my name is Virginia Williams.

ASSISTANT: Ok, your flight ticket is booked.

USER: Thank you for your quality service.

ASSISTANT: Thank you for contacting us.

USER: Welcome.