You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend a comic con in Los Angeles, can you please help me to book a flight ticket with single connection?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Sure, I intend to start my journey on June 4th and my return date will be on June 6th.

ASSISTANT: Can you share me your nearest airport codes?

USER: My boarding airport code is PHL and my landing airport code is LAX.

ASSISTANT: Do you have any preferences?

USER: No more preferences for this trip.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 300 and 1 connection.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Can I know your name for booking?

USER: I am Robert Lee.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for contacting us.