You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Williams.

ASSISTANT: How can I amend you today?

USER: I want to fly from PA-PHL to MA-BOS to meet my cousin on his birthday.

ASSISTANT: Sure. May I know your travelling dates?

USER: 11/08 and 11/10 are my travelling dates.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found on your route.

USER: No worries, thank you for the information.

ASSISTANT: Thank you.