You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Stephanie Martinez. I need to book a ticket to attend the live cricket match in Washington DC-DCA.

ASSISTANT: Ok.

USER: Could you please help me in booking a ticket with fare of 5000?

ASSISTANT: Sure, I am mirthful to help you. When are you planning to start your journey?

USER: I would like to start my journey on 07/15.

ASSISTANT: Can I know your boarding airport code?

USER: Sure, my boarding airport code is Chicago IL-ORD.

ASSISTANT: May I know, when will you catch your return flight?

USER: I would like to return on 07/17.

ASSISTANT: Thank you for sharing your details. Please, hold on for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with UA airline, flight number 1004 with fare 100 and a lay by. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.