You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I would like to change my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I have your good name please to check your reservation status?

USER: Rachel Miller here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Your reservation has found so please let me know the airport codes of your journey locations.

USER: I am travelling from HOU to EWR.

ASSISTANT: Can I have your travelling dates too?

USER: I am travelling on these dates Sept 26th and 28th.

ASSISTANT: Do you have any other specifications?

USER: I need single connected flight.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket fare is 200. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Ok Rachel Miller, your reservation has changed.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us, have a great journey.