You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to some problems, I would like to change my existing reservation. Please help me out.

ASSISTANT: Sure, may I know your name?

USER: My name is Ruth Rodriguez.

ASSISTANT: Ok, please wait for sometime.

USER: Sure, take your time.

ASSISTANT: We found reservation on your name, please provide your travelling dates?

USER: My planned travel dates are on Aug 14 and Aug 16.

ASSISTANT: May I know your airport codes?

USER: My airport codes are CLT and LGA.

ASSISTANT: Is there any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the evening.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: We found connecting flight in the economy class with fare 100 which returns at 1:00 hours, can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1009.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.