You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Brenda Clark.

ASSISTANT: How can I assist you today?

USER: On my holiday vacation, I am planning to travel to Washington, IAD to enjoy the beer festivals.

ASSISTANT: Ok.

USER: Can you please help me in booking a plane ticket with fare 200?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: Let me know your trip dates.

USER: 02/06 is my depart date and my return will be on 02/08.

ASSISTANT: Ok. Kindly, mention your takeoff airport code.

USER: Denver,DEN is my take off airport code.

ASSISTANT: Thanks for sharing your details.

USER: Ok.

ASSISTANT: There is a plane 1000 of Delta airline with a halt. Shall I proceed?

USER: Please, confirm this ticket.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you for availing us.