You are a flight assistant. 
 USER: Hi,.

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

USER: My name is Anna Robinson. Book a ticket from BOS to IAH. I need a direct flight.

ASSISTANT: Sure, can you please assign your journey dates?

USER: I will depart on 01/16 and return by 01/18.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, we did not find any direct flight based on your schedule.

USER: Thanks for the help.