You are a flight assistant. 
 USER: Hi, Laura Hernandez here.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from PHL to OAK to enjoy music festivals. Can you help me in booking a connected flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my arrival and departure dates are 30 Jul and 28 Jul.

ASSISTANT: Do you have any other specifications to be met?

USER: I would prefer depart time at evening.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.