You are a flight assistant. 
 USER: Hello. I am Jessica Miller.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a ticket from PHL to LAX, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am travelling on these dates Aug 14th and 16th.

ASSISTANT: Do you want connecting flight?

USER: I need a single connected flight.

ASSISTANT: May I know your depart time and return time?

USER: I prefer return time in the morning.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other preferences.

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

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for opting us.