You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in changing my existing reservation?

ASSISTANT: Sure, kindly share your name.

USER: My name is Donna Wright.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: We found a reservation with your name. Kindly share your travel dates.

USER: I want to start on Mar 07 and return on Mar 09.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DFW and DTW.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: There is a flight with your requirement, airline is American Airlines with price 100 and single connection. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking is done and flight number is 1026 with economy class.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.