You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from BOS to IAD as a business trip. Can you do the reservation?

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: Andrew Brown here.

ASSISTANT: May I know your trip dates?

USER: My journey dates are 07/01 and 07/03.

ASSISTANT: Do you need any halt?

USER: I need direct flight.

ASSISTANT: Thanks for your details, wait for a while I will check and revert you.

USER: Sure.

ASSISTANT: Sorry, there were no flights found in your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.