You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Due to heavy rain, Can you do the changes in my existing reservation?

ASSISTANT: Sure, we are here to help you. To proceed for further booking I need your name?

USER: Virginia Collins here.

ASSISTANT: We are happy to inform you, that we found a reservation on your name. Can you please ensure your new travelling dates?

USER: Dates are 09/03 and 09/05. My airport codes are CLT-HOU.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need break in my journey.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Please proceed fast.

ASSISTANT: Your ticket has been reserved with flight number 1003.

USER: Thank you so much for the reservation.

ASSISTANT: Thank you for choosing us, Have a safe journey!.