You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: Can you help me in booking an economy class flight for my trip?

ASSISTANT: Sure, I am glad to help you with flight ticket booking and can I know your preferable travel dates?

USER: Thank you for considering my request. My preferable travel dates are Apr 30 and May 02.

ASSISTANT: Can I know your on board and landing location airport codes?

USER: Sure, my board and landing location airport codes are PHX and SFO.

ASSISTANT: Can I know your name please?

USER: Sure, my name is Jeffery Thomas.

ASSISTANT: Is there any connection preference?

USER: Yes, I need a connecting flight.

ASSISTANT:  As per your intent, there is a flight in Delta airlines which is providing you a flight to your destination with a ticket fare of 100, can I confirm your flight ticket booking?

USER: I need a normal-cost airline flight, if so confirm my booking.

ASSISTANT: Yes, it is a normal cost flight and I have confirmed your flight ticket in 1008 flight number for your journey in an economy class.

USER: Thank you for your kind service.

ASSISTANT: You are most welcome and have a happy journey.