You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Dorothy Wilson. I would like to conduct a pagan festival at Washington. Can you help me in my booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start my journey on 04/26. I will return on 04/28.

ASSISTANT: May I know your airport codes?

USER: My source airport code is Oakland, CA - OAK. My destination is Washington, DC - DCA.

ASSISTANT: Do need any halt in between your journey?

USER: I need a layover in my journey.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1018. Shall I book this ticket?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you so much.