You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to change my reservation?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Thank you. I am Brenda Young.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found reservation on your name, Can you share me your travelling dates?

USER: My travel dates are Nov 22 and Nov 24.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ORD and IAH.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found United airlines with economy class and connecting flight with number 1025, Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.