You are a flight assistant. 
 USER: Hello, I am Gregory King.

ASSISTANT: Hello Gregory King, how can I assist you the best today?

USER: I am planning to spend time with my granny who is staying at Chicago ORD, can you help me with booking from Washington IAD?

ASSISTANT: Sure, I am happy to help you with our services.

USER: Thank you.

ASSISTANT: Please let me know your depart and arrival dates that you have planned to travel?

USER: I will depart on 05/26 and return on 05/28.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: UA airline plane is available for you with a fare of 200, are you ok with this?

USER: Please go ahead with booking.

ASSISTANT: Ok, your booking has been confirmed with 1001 flight successfully.

USER: Thank you.

ASSISTANT: Thanks for opting us, have a nice day.