You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Betty Jones. I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket?

ASSISTANT: Sure, could you please provide me your journey dates?

USER: I would like to take off on 01/13 and return on 01/15.

ASSISTANT: May I know your respective airport codes please?

USER: My nearest source airport code is DCA and destination airport code is SEA.

ASSISTANT: Betty, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Betty, I found a flight with Delta airlines available with price 100. Shall I book the ticket for you?

USER: Please proceed with the booking if the connection is 1.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: I really appreciate your help, thank you for your service.

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