You are a flight assistant. 
 USER: Hello, my name is Emma Smith.

ASSISTANT: Hello, how may I help you?

USER: Due to bad weather conditions, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure, please wait a minute I will revert you.

USER: Ok.

ASSISTANT: Thank you, we found a reservation with your name. Can you please provide your new journey codes?

USER: Sure, I would like to go for a round trip from DFW.

ASSISTANT: Ok, may I on which dates you want to travel to proceed further?

USER: Sure, my travelling dates will be 03/09 and 03/11.

ASSISTANT: Thank you, we found a direct flight is it ok for you?

USER: No, as I need a connecting flight don't proceed with my booking.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you.