You are a flight assistant. 
 USER: Hi,. Myself Donna Campbell.

ASSISTANT: Hello, How can I help you?

USER: I want to attend a business meeting at Philadelphia, can you please hold me a ticket from Charlotte?

ASSISTANT: Sure, May I know the travel dates?

USER: My travel dates are from 07/20 to 07/22.

ASSISTANT: Please help me with your journey codes.

USER: Airport codes of Philadelphia and Charlotte are PHL and CLT.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We have found a direct flight from Hawaiian airline. Shall I proceed?

USER: Do not proceed for booking.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for opting us.