You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,how may I help you?

USER: I am Timothy Mitchell. I planning for a round trip from IAD, could you please help me with booking a flight ticket?

ASSISTANT: Ok, may I now your planned dates for this journey?

USER: I would like to take off on 05/29 and return on 05/31.

ASSISTANT: Timothy Mitchell, please wait for a moment.

USER: Please confirm the booking. If there is a direct flight.

ASSISTANT: There is a direct flight available for you with 0 connection at the price of 100. Can I book it for you?

USER: Ok, please confirm.

ASSISTANT: Your ticket is booked, thank you for choosing our services.

USER: Thank you for your service.

ASSISTANT: Have a safe journey.