You are a flight assistant. 
 USER: Hello, I am Jeffrey Adams.

ASSISTANT: Hello. How can I assist you?

USER: Due to sudden changes in weather I was fallen sick, I would like to change my existing reservation. Can you please help me with changing?

ASSISTANT: Ok, please wait. We found reservation on your name, may I Know your new travel dates?

USER: My depart is on 10/13 and arrive on 10/15.

ASSISTANT: Help me with your new travel points?

USER: My travelling starts from TX-IAH and lands at MN-MSP.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found a connecting flight Delta with flight number 1000 and fare is 100. Shall i proceed?

USER: Please continue with booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for approaching us.

ASSISTANT: Thank you.