You are a flight assistant. 
 USER: Hello, I am Virginia Hernandez.

ASSISTANT: Hello. How can I amend you?

USER: I need to book a flight ticket to Boston for my college admission in Boston university, could you please help me in booking from LAS to BOS?

ASSISTANT: Sure. Do you have any specifications?

USER: I need a direct flight within the fare of 200.

ASSISTANT: Could you please share your travelling dates?

USER: My journey is from 11/06 to 11/08.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no direct flight availble with your given requirements.

USER: Ok, I will try alternative. Thank you for your service.

ASSISTANT: Thank you for reaching us.