You are a flight assistant. 
 USER: Hello, Michael Smith here.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit Fairmount Water Works, please book a ticket for me from OAK to PHL.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My itinerary dates are 07/29 and 07/31.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.