You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donna Thompson.

ASSISTANT: How can I assist you today?

USER: I want to reserve my ticket from Philadelphia, my preferable airport code are from PHL to LAX. Can you help me in booking?

ASSISTANT: Sure, I am gleeful to help you. May I know your travel dates please?

USER: I want to my journey on 04/22 and return back on 04/24.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, here there is a connecting flight available and airfare is about 100. Shall I proceed further in booking?

USER: Sure, you can proceed with that booking.

ASSISTANT: Your ticket has been confirmed for the flight 1001 from Southwest airlines.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome, thank you for reaching us.