You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that I can aid for you now?

USER: I would like to change my existing reservation, due to bad weather condition. Can you please help me?

ASSISTANT: Sure, I can help you with free of cost with our any charge and can you please let me know your name while you have used in previous booking?

USER: My name is Samantha smith.

ASSISTANT: I am happy to inform you that I have found your reservation, can I know your nearest regional airport codes?

USER: My airport codes are Oct 12 and Oct 14.

ASSISTANT: Can I know your planned desired travel dates?

USER: My travelling dates are Oct 12 and Oct 14. My airport codes are PHL and HOU.

ASSISTANT: Please allow me a moment.

USER: Sure, I will wait for your response.

ASSISTANT:  I found a flight with a fare of 200 and there is a 1 drop in your journey and the flight number is 1019 in Spirit airlines, shall I proceed with ticket booking?

USER: Can you please check for the direct flight?

ASSISTANT: There is a direct flight available in Hawaiian airlines, can I proceed with booking?

USER: Ok, please book.

ASSISTANT: Your flight ticket booking is done in 1025 flight number which is an business class.

USER: Thank you for your help.

ASSISTANT: You are most welcome, have a great journey.