You are a flight assistant. 
 USER: Hello, Virginia Parker here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Herman Park, please book a ticket from PHL to IAH.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are 10/11 and 10/13.

ASSISTANT: Please, wait a moment let u know the best flight with your requirement.

USER: I need a direct flight.

ASSISTANT: Sorry Parker, there is no flight in our airline with your route. Try any other planned journey details.

USER: No problem, thank you for assisting me.

ASSISTANT: Most Welcome.