You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Michelle Evans here. I want to visit BOS for my project work, can you please search for a flight from LGA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates will be from 07/14 to 07/16.

ASSISTANT: Ok, please wait for a while.

USER: Ok, please check soon.

ASSISTANT: Thank you for waiting.

USER: No issues with waiting.

ASSISTANT: Sorry Evans, there are no flights available for your desired dates.

USER: Oh! That's fine. No problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.