You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jonathan Moore. I am planning to attend business meeting at PHL, can you please help me with booking a flight ticket from LAX?

ASSISTANT: Sure, I am glad to help you with the ticket booking. What type of class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Ok, may I know your departure and return journey dates please?

USER: Sure, I would like to depart on Aug 6 and return on Aug 8.

ASSISTANT: Ok, may I know your airlines preference?

USER: I am ok with any airline, but I would like to depart during evening time.

ASSISTANT: Ok, please hold on for a moment.

USER: I need a flight with 1 connection.

ASSISTANT: Sorry to tell you, I have not found any flight with your requirements.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Most welcome. Thank you for opting us.

USER: You are welcome.