You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me with the flight ticket amendment which I had done recently?

ASSISTANT: Sure, may I know your name?

USER: Ok, please check for the name Jeffrey King.

ASSISTANT: We found a reservation on your name. Can you please share your airport codes?

USER: Ok, please modify my reservation to the airport codes from IAH to OAK.

ASSISTANT: Let me know your travelling dates.

USER: Ok, please check for the dates Aug 30 and Sept 1st.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any airline preference?

USER: Ok, I am comfortable with normal-cost airlines only.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found an United airline with single connection and flight number is 1024. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for assisting me with my concern.

ASSISTANT: Thank you for choosing us.