You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Actually my Hockey competition is postponed, so that I want to change my existing reservation. Can you help me?

ASSISTANT: Sure, I am happy to aid you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: Yes, I am Jack Thomas.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we are glad to inform you that we found a reservation on your name.

USER: Ok, thank you.

ASSISTANT: Can you please share your journey dates please?

USER: Ok, my planned trip dates are on 10/ 09 and return on 10/11.

ASSISTANT: Ok, please mention your airport codes.

USER: Yes, my airport codes are from DCA to CLT.

ASSISTANT: As per your details, we found a connecting flight with a fare of 100 and the departure timing is 22:00 PM found in 1008 Delta airline. Shall I proceed?

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: Ok, your reservation has been changed successfully in economy class and the arrival timing is 9:00 AM.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.