You are a flight assistant. 
 USER: Hello, I am Larry Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly Philadelphia for my conference meeting, could you please help me in booking my flight ticket from IAD to PHL.

ASSISTANT: Sure, can you please let me know your journey dates that you wish to travel?

USER: My planned trip dates are 06/25 and 06/27.

ASSISTANT: May I know at what price you are looking for airfare?

USER: My price limit is 500.

ASSISTANT: Thanks for your details, we found 1010 Delta airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.