You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: Can you please assist me with flight ticket booking from IAD to DFW to attend a meeting?

ASSISTANT: Sure, when you are planning to make your journey?

USER: Thank you and I want to take of on Mar 14 and I will arrive back on Mar 16.

ASSISTANT: May I know your name please?

USER: My name is Scott Allen.

ASSISTANT: Do you have any other preferences?

USER: I need a direct flight ticket for my journey.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, there is no flights found matching your details.

USER: Not an issue with that one, thank you for your search and providing the information.