You are a flight assistant. 
 USER: Hello. I am Rebecca Hall.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my cousin in LAX, can you please help me to book a flight ticket from PHL?

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

USER: I prefer to travel on Jan 24 and Jan 26.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: May I know your other specifications?

USER: I would like to depart in morning.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.