You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Emma Jones here. I need to reserve my ticket, can you please help me.

ASSISTANT: Sure Jones, can I know the travel dates please?

USER: I want start my journey on 07/22 and return back on 07/24.

ASSISTANT: Could you please provide the airport codes?

USER: My preferable airline code are from PHL to LGA.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: You can proceed with that booking.

ASSISTANT: Your ticket has been booked with flight number 1006.

USER: Thank you for your service in booking my flight ticket.

ASSISTANT: Thank you for approaching us.