You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Patricia Roberts. I want to attend seminar from BOS to IAD.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please provide me your planned dates of journey?

USER: My travelling dates are 06/22 to 06/24.

ASSISTANT: There is a flight found from UA airline in which ticket costs for 100. Shall I proceed booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked. Flight number is 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.