You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to change my reservation as my plan to got for an adventure trip got postponed. Can you help me?

ASSISTANT: May I know your name?

USER: I am Ronald Nelson.

ASSISTANT: We found a reservation on your name. Can you please share your trip dates?

USER: I would start on Feb 8th and return on Feb 10th.

ASSISTANT: May I know your airport codes?

USER: I need to reach OAK and I will leave from AUS.

ASSISTANT: Do you have any connection limit?

USER: I need 1 stop over.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There are no flights found on your travel dates.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you.