You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking a flight ticket to OAK from PHL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from Jun 04 to Jun 06.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Are there any preferences?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your name?

USER: I am Samantha Miller.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.