You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to change my existing reservation due to sudden rainfall at my source. Can you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Michelle Taylor.

ASSISTANT: I found your reservation on your given name, let me know your trip dates please?

USER: Sure, my travelling dates are June 11 - June 13.

ASSISTANT: Could you please share me your airport codes?

USER: My airport codes are OAK and SFO.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Frontier Airlines is providing connecting flight with the ticket fare of 100 and depart time is 22:00 hours, arrival time is 23:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1024 in economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.