You are a flight assistant. 
 USER: Hello. I am Elizabeth Turner.

ASSISTANT: Hello, how may I best support you today?

USER: I would like to enjoy with my friends at PHL, can you please help me to book a flight ticket from LAX?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my journey dates are July 05 and July 07.

ASSISTANT: Please share if you want to travel in any specific time?

USER: My departing time is evening.

ASSISTANT: Do you want to travel in connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable to travel in any class.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us.