You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to PHL from OAK, can you please help me out?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my planned travelling dates are July 11 and July 13.

ASSISTANT: Sure, can I know your connection limit?

USER: Sure, I am looking for a flight with 1 connection.

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

USER: Yes, my return time must be in morning.

ASSISTANT: Can I know your name?

USER: Sure, my name is Pamela Green.

ASSISTANT: Sorry to say, no flight is available for you.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.